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Tytuł:
Study of three dimensional propagation of waves in hollow poroelastic circular cylinders
Autorzy:
Shah, S. A.
Powiązania:
https://bibliotekanauki.pl/articles/265039.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
Biot's theory
poroelastic cylindrical shell
pervious surface
impervious surface
wavenumber
frequency
propagacja fal
teoria Biota
drgania skrętne
Opis:
Employing Biot’s theory of wave propagation in liquid saturated porous media, waves propagating in a hollow poroelastic circular cylinder of infinite extent are investigated. General frequency equations for propagation of waves are obtained each for a pervious and an impervious surface. Degenerate cases of the general frequency equations of pervious and impervious surfaces, when the longitudinal wavenumber k and angular wavenumber n are zero, are considered. When k=0, the plane-strain vibrations and longitudinal shear vibrations are uncoupled and when […] these are coupled. It is seen that the frequency equation of longitudinal shear vibrations is independent of the nature of the surface. When the angular (or circumferential) wavenumber is zero, i.e., n=0, axially symmetric vibrations and torsional vibrations are uncoupled. For n[…] these vibrations are coupled. The frequency equation of torsional vibrations is independent of the nature of the surface. By ignoring liquid effects, the results of a purely elastic solid are obtained as a special case.
Źródło:
International Journal of Applied Mechanics and Engineering; 2015, 20, 3; 565-587
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Guided circumferential waves in layered poroelastic cylinders
Autorzy:
Shah, S. A.
Apsar, G.
Powiązania:
https://bibliotekanauki.pl/articles/265282.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
teoria Biota
fala obwodowa
wał
łożysko
frequency
wave number
impermeable surface
borepiston assembly
shaft-bearing assembly
circumferential waves
poroelastic layered cylinder
Biot’s theory
Opis:
The present paper investigates the propagation of time harmonic circumferential waves in a two-dimensional hollow poroelastic cylinder with an inner shaft (shaft-bearing assembly). The hollow poroelastic cylinder and inner shaft are assumed to be infinite in axial direction. The outer surface of the cylinder is stress free and at the interface, between the inner shaft and the outer cylinder, it is assumed to be free sliding and the interfacial shear stresses are zero, also the normal stress and radial displacements are continuous. The frequency equation of guided circumferential waves for a permeable and an impermeable surface is obtained. When the angular wave number vanish the frequency equation of guided circumferential waves for a permeable and an impermeable surface degenerates and the dilatational and shear waves are uncoupled. Shear waves are independent of the nature of surface. The frequency equation of a permeable and an impermeable surface for bore-piston assembly is obtained as a particular case of the model under consideration when the outer radius of the hollow poroelastic cylinder tends to infinity. Results of previous studies are obtained as a particular case of the present study. Nondimensional frequency as a function of wave number is presented graphically for two types of models and discussed. Numerical results show that, in general, the first modes are linear for permeable and impermeable surfaces and the frequency of a permeable surface is more than that of an impermeable surface.
Źródło:
International Journal of Applied Mechanics and Engineering; 2016, 21, 4; 933-950
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Correlation between diagonal ratio and condition number of the generalized inertia matrix of a serial-chain
Korelacja między współczynnikiem diagonalnym a współczynnikiem uwarunkowania uogólnionej macierzy bezwładności łańcucha szeregowego
Autorzy:
Shah, S. V.
Saha, S. K.
Powiązania:
https://bibliotekanauki.pl/articles/139695.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
generalized inertia matrix
diagonal ratio
ill-conditioning
Condition Number
uogólniona macierz bezwładności
współczynnik diagonalny
pomiar złego uwarunkowania
współczynnik uwarunkowania
Opis:
The condition number of the Generalized Inertia Matrix (GIM) of a serial chain can be used to measure its ill-conditioning. However, computation of the condition number is computationally very expensive. Therefore, this paper investigates alternative means to estimate the condition number, in particular, for a very long serial-chain. For this, the diagonal elements of the GIM are examined. It is found that the ratio of the largest and smallest diagonal elements of the GIM, when scaled using an initial estimate of the condition number, closely resembles the condition number. This significantly simplifies the process of detecting ill-conditioning of the GIM, which may help to decide on stability of the system at hand.
Wskaźnik uwarunkowania jest wykorzystywany jako miara złego uwarunkowania macierzy, np. dla uogólnionej macierzy bezwładności (GIM) łańcucha szeregowego. Niemniej, wyznaczenie tego współczynnika wymaga znacznego nakładu mocy obliczeniowej. Tak więc, w artykule zaproponowano sposoby alternatywne, pozwalające estymować współczynnik uwarunkowania, w szczególności dla bardzo długiego łańcucha szeregowego. W tym celu bada się elementy diagonalne uogólnionej macierzy bezwładności. Wykazano, że stosunek diagonalny (stosunek największego do najmniejszego elementu na głównej przekątnej macierzy bezwładności), przeskalowany przy użyciu estymatora początkowej wartości wskaźnika uwarunkowania, ma wartość bardzo zbliżoną do rzeczywistego wskaźnika uwarunkowania. Jego zastosowanie upraszcza w znaczący sposób ocenę złego uwarunkowania macierzy, dzięki czemu można od razu zdecydować czy układ jest stabilny.
Źródło:
Archive of Mechanical Engineering; 2013, LX, 1; 147-156
0004-0738
Pojawia się w:
Archive of Mechanical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phase velocity and attenuation of longitudinal shear vibrations of hollow poroelastic cylinders
Autorzy:
Ahmed Shah, S.
Javvad Hussaini, S.
Powiązania:
https://bibliotekanauki.pl/articles/955126.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
prędkość fazowa
tłumienie drgań podłużnych
teoria Biota
Biot's theory
hollow cylinder
shear waves
frequency equation
phase velocity
attenuation
wavenumber
dissipation
Opis:
The present paper is devoted to the study of phase velocity and attenuation of longitudinal shear vibrations of hollow poroelastic circular cylinders in the presence of dissipation. The explicit expressions for phase velocity and attenuation of longitudinal shear vibrations are derived. The frequency equation of longitudinal shear vibrations and modes obtained in a previous paper are used to compute the phase velocity and attenuation for different dissipations for thin and thick poroelastic cylindrical shells and poroelastic solid cylinder. The physical parameters of sandstone saturated with kerosene and sandstone saturated with water are used for the purpose of computation. It is found that the phase velocity is linear beyond certain frequency. Phase velocity is smaller for a typical anti-symmetric mode compared to the flexural mode. It is greater for the second mode than that of the first mode. Also the phase velocity is larger for a thin poroelastic cylindrical shell than that of a thick poroelastic cylindrical shell. The same is true for attenuation also. Attenuation is very high for the considered dissipations and it increases with the increase in dissipation.
Źródło:
International Journal of Applied Mechanics and Engineering; 2014, 19, 2; 337-346
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Signed directed graph based modeling and its validation from process knowledge and process data
Autorzy:
Yang, F.
Shah, S. L.
Xiao, D.
Powiązania:
https://bibliotekanauki.pl/articles/331384.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
graf skierowany
diagnostyka uszkodzeń
system oceny zagrożeń
signed directed graph
transfer entropy
process topology
fault diagnosis
process hazard assessment
Opis:
This paper is concerned with the fusion of information from process data and process connectivity and its subsequent use in fault diagnosis and process hazard assessment. The Signed Directed Graph (SDG), as a graphical model for capturing process topology and connectivity to show the causal relationships between process variables by material and information paths, has been widely used in root cause and hazard propagation analysis. An SDG is usually built based on process knowledge as described by piping and instrumentation diagrams. This is a complex and experience-dependent task, and therefore the resulting SDG should be validated by process data before being used for analysis. This paper introduces two validation methods. One is based on cross-correlation analysis of process data with assumed time delays, while the other is based on transfer entropy, where the correlation coefficient between two variables or the information transfer from one variable to another can be computed to validate the corresponding paths in SDGs. In addition to this, the relationship captured by data-based methods should also be validated by process knowledge to confirm its causality. This knowledge can be realized by checking the reachability or the influence of one variable on another based on the corresponding SDG which is the basis of causality. A case study of an industrial process is presented to illustrate the application of the proposed methods.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2012, 22, 1; 41-53
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phase Transition in Quasi-Two-Dimensional Horizontally Driven Granular System
Autorzy:
Shah, S.
Li, Y.
Khan, W.
Din, N.
Chand, R.
Powiązania:
https://bibliotekanauki.pl/articles/1489921.pdf
Data publikacji:
2012-03
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.05.Rm
64.60.-i
Opis:
In an experimental setup, consisting of quasi-two-dimensional square cell, the motion of monodisperse spherical steel balls is studied. The cell is vibrated horizontally to eradicate the compaction of balls due to gravity. By raising the number density of the steel balls, the dilute fluid has been gradually alternated into dense fluid. The temperature of granular media, along the driven and transverse directions, has been found to be anisotropic. Transition from granular gas to the liquid-like fluid has been observed. The radial distribution function of the balls in the cell is investigated for the authentication of the structural changes. Furthermore, the fast Fourier transformation for the 2D system is carried out to confirm these changes.
Źródło:
Acta Physica Polonica A; 2012, 121, 3; 699-702
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vibrations in a fluid-loaded poroelastic hollow cylinder surrounded by a fluid in plane-strain form
Autorzy:
Shanker, B.
Nath, C. N.
Shah, S. A.
Reddy, P. M.
Powiązania:
https://bibliotekanauki.pl/articles/265190.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
teoria Biota
częstotliwość
wibracje
prędkość fazowa
Biot's theory
fluid-loaded poroelastic cylinder
frequency
planestrain vibrations
phase velocity
Opis:
Plane-strain vibrations in a fluid-loaded poroelastic hollow cylinder surrounded by a fluid are investigated employing Biot’s theory of wave propagation in poroelastic media. The poroelastic hollow cylinder is homogeneous and isotropic, while the inner and outer fluids are homogeneous, isotropic and inviscid. The frequency equation of the fluid-loaded poroelastic cylinder surrounded by a fluid is obtained along with several particular cases, namely, fluid-loaded poroelastic cylinder, fluid-loaded bore, poroelastic cylinder surrounded by a fluid and poroelastic solid cylinder submerged in a fluid. The frequency equations are obtained for axially symmetric, flexural and anti-symmetric vibrations each for a pervious and an impervious surface. Nondimensional frequency for propagating modes is computed as a function of the ratio of thickness to the inner radius of the core. The results are presented graphically for two types of poroelastic cylinders and then discussed.
Źródło:
International Journal of Applied Mechanics and Engineering; 2013, 18, 1; 189-216
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Molecular epidemiology and phylogenetic analysis of Tams I gene of Theileria annulata in Khyber Pakhtunkhwa, Pakistan
Autorzy:
Shah, S.S.A.
Saddique, U.
Khan, M.A.
Khan, S.
Powiązania:
https://bibliotekanauki.pl/articles/16647390.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
crossbred cattle
Pakistan
PCR
risk factors
sequencing
theileriosis
Opis:
Theileriosis is a hemoparasitic disease that affects a wide range of different animal species and is caused by various species of Theileria. This study aimed to determine the molecular epidemiology of Theileria annulata through microscopy and PCR, in crossbred cattle in some districts of Khyber Pakhtunkhwa, Pakistan. For this study, a total of 384 blood samples were collected from cattle in the Peshawar (n=120), Charsadda (n=94), Nowshera (n=84), and Swabi (n=86) districts. Microscopy and PCR were used to determine the overall prevalence of theileriosis, which was found to be 15.8 and 22.6%, respectively. Theileria annulata was detected in blood samples through PCR in the study area, and the target gene i.e., Tams 1, of positive samples was sequenced. The sequences in the current study revealed high sequence homology (ranging from 96 to 100%) with Tams 1 sequences of neighboring countries present in the NCBI database. Season, breed, age, and sex were found to be important risk factors among the several risk factors examined, whereas, among different clinical manifestations, lymphadenopathy showed a strong association with theileriosis. According to Cohen’s kappa and ROC analysis, microscopy was proven to be a fair diagnostic test for detecting theileriosis in cattle, and may be used in combination with molecular techniques for screening a large number of animals.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 4; 625-629
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of Eco-Friendly Natural Antimicrobial Textile Finish Extracted from Aloe Vera and Neem Plants
Ocena ekologicznych naturalnych preparacji antymikrobowych tekstyliów uzyskanych z udziałem ekstraktów z aloesu i miodli indyjskiej
Autorzy:
Khurshid, M. F.
Ayyoob, M.
Asad, M.
Shah, S. N. H.
Powiązania:
https://bibliotekanauki.pl/articles/233713.pdf
Data publikacji:
2015
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
eco-friendly
antimicrobial
natural textile finish
aloe vera extraction
neem extraction
ekologiczne preparacje
przeciwbakteryjne preparacje
naturalne wykończenie tkaniny
ekstrakcja z aloesu
ekstrakcja z miodli indyjskiej
Opis:
The aim of the present work was to assess an eco friendly natural antimicrobial textile finish extracted from Aloe gel and Neem plants. Extracted Aloe gel and active substance of Neem were mixed in a mordant to form a finish. Bleached cotton samples were treated with 5, 7, and 10% concentrations of Aloe gel and Neem separately. The same samples were then treated with a hybrid combination of Aloe gel and Neem (HCAN) extracts having 5, 7 and 10% concentrations. These finished samples were subjected to an antibacterial activity test against E. coli and S. aureus, an antifungal activity test against Aspergillus Niger, and a test of their durability of antibacterial finish fastness to washing by standard test methods. It was found that the hybrid combination of Aloe gel and Neem (HCAN) was an effective antibacterial and antifungal agent as compared to Aloe gel and Neem separately. It also showed good durability to washing.
Ekstrakty z żelu aloesowego i aktywnych substancji miodli indyjskiej mieszano w zaprawie barwiarskiej dla uzyskania gotowej preparacji. Bielone bawełniane próbki nasycano roztworem o stężeniu 5%, 7% i 10% żelu aloesowego i miodli indyjskiej. Te same próbki były następnie nasycane preparacją hybrydową zawierającą obydwa składniki o tym samym stężeniu. Uzyskane próbki poddano badaniom antybakteryjnym przeprowadzając testy przeciwko E. coli i S. aureus, i antygrzybicznej aktywności przeciwko Aspergillus niger. Niezależnie od tego przeprowadzano próby trwałości preparacji antybakteryjnych po praniu w standardowych warunkach. Stwierdzono, że preparacja hybrydowa obydwu składników była aktywniejsza zarówno w stosunku do bakterii i grzybów niż preparacje z użyciem jednego tylko składnika.
Źródło:
Fibres & Textiles in Eastern Europe; 2015, 6 (114); 120-123
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Korean WA-DGNSS User Segment Software Design
Autorzy:
Shah, S. T.
Choi, W.S.
Han, W.Y.
Yun, H.
Kee, C.
Powiązania:
https://bibliotekanauki.pl/articles/116066.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
global navigation satellite system (GNSS)
Global Positioning System GPS
User Segment
GPS Data Processing Classes
Opis:
Korean WA‐DGNSS is a large scale research project funded by Ministry of Land, Transport and Maritime Affairs Korea. It aims to augment the Global Navigation Satellite System by broadcasting additional signals from geostationary satellites and providing differential correction messages and integrity data for the GNSS satellites. The project is being carried out by a consortium of universities and research institutes. The research team at Electronics and Telecommunications Research Institute is involved in design and development of data processing softwares for wide area reference station and user segment. This paper focuses on user segment software design. Korean WA‐DGNSS user segment software is designed to perform several functions such as calculation of pseudorange, ionosphere and troposphere delays, application of fast and slow correction messages, and data verification. It is based on a layered architecture that provides a model to develop flexible and reusable software and is divided into several independent, interchangeable and reusable components to reduce complexity and maintenance cost. The current version is designed to collect and process GPS and WADGNSS data however it is flexible to accommodate future GNSS systems such as GLONASS and Galileo.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 1; 69-74
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Maximizing power output of a partially shaded total-cross-tied photovoltaic array
Autorzy:
Shah, N. S.
Patel, H. H.
Powiązania:
https://bibliotekanauki.pl/articles/136262.pdf
Data publikacji:
2017
Wydawca:
EEEIC International Barbara Leonowicz Szabłowska
Tematy:
current compensation
voltage equalization
MPPT
partial shading
TCT configuration
Opis:
Non-uniform conditions on the modules of the PV array, especially, partial shading reduces the output of the PV array to a large extent. The shaded module in a string limits the current of the entire string and hence, the output power of the string. The output power under such conditions is reported to be higher for total-cross-tied (TCT) configuration. This paper describes two different approaches, one based on current compensation (current equalization) and another based on voltage equalization, to extract higher power from the partially shaded total-cross-tied photovoltaic array. The TCT configuration is considered to minimize the number of converters, sensors, cost and complexity involved. The additional converters in the two distinct approaches evaluated here operate only when the partial shading occurs and are controlled to minimize the current and voltage miss-matches. The analysis and the control algorithm are presented. Simulation results obtained in MATLAB/Simulink are included to demonstrate the effectiveness of both methods and the relative merits and demerits of these approaches are highlighted.
Źródło:
Transactions on Environment and Electrical Engineering; 2017, 2, 1; 10-18
2450-5730
Pojawia się w:
Transactions on Environment and Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative evaluation of different techniques for herniorrhaphy in calves
Autorzy:
Fatima, A.
Arif Khan, M.
Aslam, S.
Ashraf, K.
Khalid Mahmood, A.
Asif, M.
Shah, S.
Hussain, N.
Powiązania:
https://bibliotekanauki.pl/articles/16539145.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
calves
mesh application
suture material
umbilical hernia
Opis:
Umbilical hernia is one of the most common problems in young calves. This problem occurs in dairy sector as well as in the local farmers. Present study was conducted to compare outcomes of four different techniques of herniorrhaphy. Twenty four young calves (n=24) were divided in 4 groups (A, B, C, and D) which underwent four different surgical techniques. Group A underwent vicryl plus suture material and pants-over-west technique, Group B underwent mesh application with Dexon suture material by using simple interrupted suture pattern, Group C underwent closed method with Nylon No. 3 suture material by using vertical mattress suture pattern and Group D underwent clamp application method with Silk No. 2 suture material by using simple interrupted suture pattern. The result showed that mesh application method was comparatively better with respect to feed intake, body weight gain and healing time. There was no reoccurrence with non-significant hematological changes (p≤0.05). It is concluded that mesh application method is safer than other three techniques and there are no systemic effects of this surgical intervention on calves’ health.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 2; 207-212
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Peach antioxidant and phenolic activities influenced by the application of 1-methylcyclopropene (1-MCP) at post-harvest
Autorzy:
Shah, S.T.
Sajid, M.
Khan, N.U.
Rab, A.
Amin, N.U.
Arif, M.
Haleema, B.
Saeed, S.
Powiązania:
https://bibliotekanauki.pl/articles/12297475.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
plant cultivation
peach tree
Prunus persica
fruit tree
antioxidant activity
phenolic compound activity
1-methylcyclopropene
catalase activity
fruit
fruit decay
storage durability
shelf life
Opis:
Early maturing peach (Prunus persica) cultivars can fetch good market value but face a lot of post-harvest problems that lead to the post-harvest losses. The 1-methylcyclopropene (1-MCP) can provide new insights into plant ethylene responses and extend the shelf life and quality of fruits. Therefore, fruits of peach cultivar ‘Early Grand’ were dipped in various concentrations of 1-MCP (0, 0.3, 0.6 and 0.9 µg l–1), stored for 40 days at 8 ±2°C with 50% relative humidity and analyzed the fruits for physicochemical attributes at 10 days interval. The highest concentration of 1-MCP at 0.9 µg l–1 significantly improved the activity of antioxidants, catalase, free radical scavenging assay and total phenols. However, the peach fruits treated with 1MCP at 0.6 µgL–1 was effective in retaining the ascorbic acid, lowering the weight loss and fruit decay. Therefore, peach fruits can be treated with 1-MCP (0.6 µg l–1) solution for prolonging its shelf life up to 40 days under low temperature.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 2; 71-85
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Software Startups – A Research Agenda
Autorzy:
Unterkalmsteiner, M.
Abrahamsson, P.
Wang, X. F.
Nguyen-Duc, A.
Shah, S.
Bajwa, S. S.
Baltes, G. H.
Conboy, K.
Cullina, E.
Dennehy, D.
Edison, H.
Fernandez-Sanchez, C
Garbajosa, J.
Gorschek, T.
Klotins, E.
Hokkanen, L.
Kon, F.
Lunesu, I.
Marchesi, M.
Morgan, L.
Oivo, M.
Selig, C.
Seppänen, P.
Sweetman, R.
Tyrväinen, P.
Ungerer, C.
Yagüe, A.
Powiązania:
https://bibliotekanauki.pl/articles/953060.pdf
Data publikacji:
2016
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
software startup
research agenda
software-intensive systems
Opis:
Software startup companies develop innovative, software-intensive products within limited time frames and with few resources, searching for sustainable and scalable business models. Software startups are quite distinct from traditional mature software companies, but also from micro-, small-, and medium-sized enterprises, introducing new challenges relevant for software engineering research. This paper’s research agenda focuses on software engineering in startups, identifying, in particular, 70+ research questions in the areas of supporting startup engineering activities, startup evolution models and patterns, ecosystems and innovation hubs, human aspects in software startups, applying startup concepts in non-startup environments, and methodologies and theories for startup research. We connect and motivate this research agenda with past studies in software startup research, while pointing out possible future directions. While all authors of this research agenda have their main background in Software Engineering or Computer Science, their interestin software startups broadens the perspective to the challenges, but also to the opportunities that emerge from multi-disciplinary research. Our audience is therefore primarily software engineering researchers, even though we aim at stimulating collaborations and research that crosses disciplinary boundaries. We believe that with this research agenda we cover a wide spectrum of the software startup industry current needs.
Źródło:
e-Informatica Software Engineering Journal; 2016, 10, 1; 89-123
1897-7979
Pojawia się w:
e-Informatica Software Engineering Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 24

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