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Wyszukujesz frazę "Panahi, M." wg kryterium: Autor

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    Wyświetlanie 1-6 z 6
    Tytuł:
    Controlling Chaos in Damped and Driven Morse Oscillator via Slave-Master Feedback
    Autorzy:
    Behnia, S.
    Akhshani, A.
    Panahi, M.
    Asadi, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1400187.pdf
    Data publikacji:
    2013-01
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    05.45.-a
    05.45.Gg
    05.45.Pq
    Opis:
    The dynamical behavior of the Morse oscillator is investigated primarily by means of the Lyapunov exponent and bifurcation diagrams. Then, the problem of controlling chaos for this oscillator is studied using a new method introduced by Behnia and Akhshani, which is based on the construction of slave-master feedback. In the control model based on slave-master feedback, the oscillator as the slave system is coupled with a dynamical system as the master, so its implementation becomes quite simple and similar statements can be made for the high dimensional cases. The validity of this method is verified by numerical simulations. The obtained results show the effectiveness of the proposed control model.
    Źródło:
    Acta Physica Polonica A; 2013, 123, 1; 7-12
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of Overlapping Mesh in Numerical Hydrodynamics
    Autorzy:
    Panahi, R.
    Shafieefar, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/258676.pdf
    Data publikacji:
    2009
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    finite volume
    two-phase flow
    overlapping mesh
    fluid-structure interaction
    Opis:
    A Finite Volume (FV) algorithm is presented to investigate two-dimensional hydrodynamic problems including viscous free surface flow interaction with free rigid bodies in the case of large and/or relative motions. Two-phase flow with complex deformations at the interface is simulated using a fractional stepvolume of fluid algorithm while it is also capable of representing a high quality wave tank, according to implemented temporal discretisation. Rigid body motions are also captured using two overset meshes. Flow variables are transferred using a simple fully implicit non-conservative interpolation scheme which maintains the second-order accuracy of implemented spatial discretisation. A code is developed and an appropriate set of problems are investigated. Results show a good potential to develop a virtual hydrodynamics laboratory.
    Źródło:
    Polish Maritime Research; 2009, 2; 24-33
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Molecular characterization of Iranian black cumin (Nigella sativa L.) accessions using RAPD marker
    Autorzy:
    Neghab, M.G.
    Panahi, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/81098.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    black cumin
    Nigella sativa
    Iranian black cumin
    Ranunculaceae
    flowering plant
    RAPD marker
    genetic variation
    polymorphism
    UPGMA method
    clustering algorithm
    cluster analysis
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2017, 98, 2
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollen morphology of Quercus (subgenus Quercus, section Quercus) in Iran and its systematic implication
    Autorzy:
    Panahi, P.
    Pourmajidian, M.R.
    Pourhashemi, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/57449.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    pollen morphology
    Quercus
    Iran
    systematics
    taxonomy
    pollen grain
    pollen type
    Opis:
    For the first time, pollen morphology of 9 (4 spp. and 5 subspp.) taxa representing lobed leaved oaks of Iran in the family of Fagaceae has been examined and illustrated using light microscopy and scanning electron microscopy of acetolysed material. Detailed pollen morphological characteristics are given for Quercus section. The pollen grains are single, isopolar, radially symmetrical, tricolpate, tricolporoidate or tricolporate. Pollens were studied to show all possible characteristics like shape, size, apertures, wall thickness, etc., with special reference to the specific features of each pollen type such as structural, sculptural and suprasculptural patterns. There is considerable variation in pollen morphology between taxa so that, three types of pollen shape, five types of structural pattern, two types of sculptural pattern, five types of suprasculptural pattern and three types of perfora distribution are defined. Furthermore, the relationship between pollen morphology and taxonomy is discussed. Overall, pollen characters are shown to be a useful and informative tool for assessing taxonomic position within Quercus section in Iran.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2012, 81, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The efficacy of topical and oral ivermectin in the treatment of human scabies
    Autorzy:
    Panahi, Y.
    Poursaleh, Z.
    Goldust, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/5553.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Opis:
    Scabies is an itchy skin condition caused by the microscopic mite Sarcoptes scabei. The itching is caused by an allergic reaction to the mites. The treatment of choice is still controversial. It is commonly treated with topical insecticides. The aim of this study was to assess the efficacy of topical and oral ivermectin in the treatment of human scabies. We searched electronic databases (Cochrane Occupational Safety and Health Review Group Specialised Register, CENTRAL (The Cochrane Library), MEDLINE (Ovid), Pubmed, EMBASE, LILACS, CINAHL, Open Grey and WHO ICTRP) up to September 2014. Randomized controlled trials (RCTs) or cluster RCTs which compared the efficacy of ivermectin with other medications in the treatment of scabies. Interventions could be compared to each other, or to placebo or to no treatment. The author intended to extract dichotomous data (developed infection or did not develop infection) for the effects of interventions. We intended to report any adverse outcomes similarly. It has been sated that ivermectin was as effective as permethrin in the treatment of scabies. In comparison to other medications such as lindane, benzyl benzoate, crotamiton and malathion, ivermectin was more effective in the treatment of scabies. Ivermectin is an effective and cost-comparable alternative to topical agents in the treatment of scabies infection.
    Źródło:
    Annals of Parasitology; 2015, 61, 1
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of temperature-dependent viscosity and thermal conductivity on velocity and temperature field: an analytical solution using the perturbation technique
    Autorzy:
    Panahi-Kalus, H.
    Ahmadinejad, M.
    Moosaie, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/38610956.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Podstawowych Problemów Techniki PAN
    Tematy:
    temperature-dependent material properties
    laminar channel flow
    anaytical solution
    perturbation technique
    Opis:
    This paper proposes a general form of the perturbation expansion method for the governing equations of viscous flow coupled to the temperature evolution. The effect of the variations of viscosity and thermal conductivity with temperature on the temperature and velocity fields in a steady two-dimensional Couette–Poiseuille flow is examined. The presented analytical solution by the perturbation method is validated against a finite difference solution of the governing equations. The numerical and analytical solutions are in good agreement.
    Źródło:
    Archives of Mechanics; 2020, 72, 6; 555-576
    0373-2029
    Pojawia się w:
    Archives of Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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