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Wyszukujesz frazę "Lahiri, A." wg kryterium: Autor


Wyświetlanie 1-8 z 8
Tytuł:
Interactions due to moving heat sources in generalized thermoelastic half-space using L-S model
Autorzy:
Sarkar, N.
Lahiri, A.
Powiązania:
https://bibliotekanauki.pl/articles/265642.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
termosprężystość
źródło ciepła
procedura Laplace'a
generalized thermoelasticity
L-S model
elastic half-space
moving heat sources
eigenvalue approach
Opis:
A one-dimensional problem for a homogeneous, isotropic and thermoelastic half-space subjected to a moving plane of heat source on the boundary of the space, which is traction free, is considered in the context of Lord- Shulaman model (L-S model) of thermoelasticity. The Laplace transform and eigenvalue approach techniques are used to solve the resulting non-dimensional coupled equations. Numerical results for the temperature, thermal stress, and displacement distributions are represented graphically and discussed.
Źródło:
International Journal of Applied Mechanics and Engineering; 2013, 18, 3; 815-831
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On discontinuties in thermoelastic plane waves without energy dissipation due to a thermo-mechanical shock
Autorzy:
Sarkar, N.
Lahiri, A.
Powiązania:
https://bibliotekanauki.pl/articles/265406.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
termosprężystość
natężenie Greena-Naghdiego
generalized thermoelasticity
Green-Naghdi model
thermoelastic half-space
pulse function
eigenvalue approach
Opis:
The present paper deals with the thermoelastic plane waves due to a thermo-mechanical shock in the form of pulse at the boundary of a homogeneous, isotropic thermoelastic half-space. The field equations of the Green- Naugdhi theory without energy dissipation for an thermoelastic solid in the generalized thermoelasticity theory are written in the form of a vector-matrix differential equation using Laplace transform techniques and then solved by an eigenvalue approach. Exact expressions for the considered field variables are obtained and presented graphically for copper-like material. The characteristic features of the present theory are analyzed by comparing these solutions with their counterparts in other generalized thcrmoelasticity theories.
Źródło:
International Journal of Applied Mechanics and Engineering; 2013, 18, 2; 503-519
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of rotation in an orthotropic elastic slab
Autorzy:
Santra, S.
Lahiri, A.
Das, N. C.
Powiązania:
https://bibliotekanauki.pl/articles/264403.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
orthotropic elastic slab
normal mode analysis
effect of rotation
płyta elastyczna
efekt rotacji
termoelastyczność
Opis:
The fundamental equations of the two dimensional generalized thermoelasticity (L-S model) with one relaxation time parameter in orthotropic elastic slab has been considered under effect of rotation. The normal mode analysis is used to the basic equations of motion and heat conduction equation. Finally, the resulting equations are written in the form of a vector-matrix differential equation which is then solved by the eigenvalue approach. The field variables in the space time domain are obtained numerically. The results corresponding to the cases of conventional thermoelasticity CTE), extended thermoelasticity (ETE) and temperature rate dependent thermoelasticity (TRDTE) are compared by means of graphs.
Źródło:
International Journal of Applied Mechanics and Engineering; 2017, 22, 1; 163-174
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reflection of P-wave and SV-wave in a generalized two temperature thermoelastic half-space
Autorzy:
Santra, S.
Lahiri, A.
Das, N. C.
Powiązania:
https://bibliotekanauki.pl/articles/955250.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
termosprężystość
izoterma
pole termiczne
P-wave
SV-wave
conductive temperature
dynamical temperature
second sound
Opis:
In this work the theory of two temperature generalized thermoelasticity has been used to investigate the problem of reflection of P-wave and SV-wave in a half space when the surface is i) thermally insulated or ii) isothermal. The ratios of the reflection coefficient to that of the incident coefficient for different cases are obtained for P-wave and SV-waves. The results for various cases for the conductive and dynamical temperature have been compared. The results arrived at in the absence of the thermal field (elastic case) have also been compared with those in the existing literature. Finally, the results for various cases have been analyzed and depicted in graphs.
Źródło:
International Journal of Applied Mechanics and Engineering; 2014, 19, 4; 735-754
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Two-Tier Haddon Matrix Approach to Fault Analysis of Accidents and Cybernetic Search for Relationship to Effect Operational Control: A Case Study at a Large Construction Site
Autorzy:
Mazumdar, A.
Sen, K. N.
Lahiri, B. N.
Powiązania:
https://bibliotekanauki.pl/articles/90001.pdf
Data publikacji:
2007
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
hazard
Haddon matrix
fault analysis
accident analysis
cybernetics
Opis:
The Haddon matrix is a potential tool for recognizing hazards in any operating engineering system. This paper presents a case study of operational hazards at a large construction site. The fish bone structure helps to visualize and relate the chain of events, which led to the failure of the system. The two-tier Haddon matrix approach helps to analyze the problem and subsequently prescribes preventive steps. The cybernetic approach has been undertaken to establish the relationship among event variables and to identify the ones with most potential. Those event variables in this case study, based on the cybernetic concepts like control responsiveness and controllability salience, are (a) uncontrolled swing of sheet contributing to energy, (b) slippage of sheet from anchor, (c) restricted longitudinal and transverse swing or rotation about the suspension, (d) guilt or uncertainty of the crane driver, (e) safe working practices and environment.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2007, 13, 1; 49-61
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On \(RS_k\) integrals
Autorzy:
Das, A. S.
Lahiri, В. K.
Powiązania:
https://bibliotekanauki.pl/articles/745404.pdf
Data publikacji:
1980
Wydawca:
Polskie Towarzystwo Matematyczne
Opis:
The article contains no abstract
Źródło:
Commentationes Mathematicae; 1980, 22, 1
0373-8299
Pojawia się w:
Commentationes Mathematicae
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-8 z 8

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