Tuesday, December 8. 2020
Effectiveness of the Probabilistic Assessment to Analyse of the Tall Building Safety using FE Method
J. Kralik, J. Kralik, jr. and P. Rosko
Faculty of Civil Engineering, Slovak University of Technology in Bratislava, 810 05 Bratislava, Slovakia and Centre of Mechanics and Structural Dynamics 1010 Vienna University of Technology Vienna, Austria Received 01/03/2020, Revised 21/07/2020, Accepted 30/10/2020
Abstract: This paper describes some experiences from the deterministic and probabilistic analysis of building structure reliability and safety. There are presented the methods and requirements of Eurocode EN 1990, standard ISO 2394 and JCSS. On the example of the probability analysis of the reliability of the tall buildings is demonstrated the affectivity of the probability design of structures using FE Method. © European Society of Computational Methods in Sciences and Engineering Keywords: Extreme environment effect, earthquake, nonlinearity, probability, sensitivity, RSM, ANSYS Mathematics Subject Classification: 00A69, 49Mxx
Tuesday, December 8. 2020
Probabilistic Assessment to Analyze of Steel Hall Collapse due to Extreme Wind Impact
J. Kralik and J. Kralik, jr.
Department of Structural Mechanics,
Faculty of Civil Engineering,
Slovak University of Technology in Bratislava,
810 05 Bratislava, Slovakia
Received 28/02/2020, Revised 21/07/2020, Accepted 28/10/2020 Abstract: Engineering structures are designed to resist all expected loadings without failure. However, structural failures do happen occasionally, mainly due to inadequate design and construction, especially for extreme loads. The main aim of this contribution is to find out the maximum load carrying capacity of the steel frame. Account is taken of nonlinear material behavior and geometry of member, in combination of the stability analysis. © European Society of Computational Methods in Sciences and Engineering Keywords: Extreme wind, nonlinearity, probability, sensitivity, NPP, RSM, FEM, ANSYS Mathematics Subject Classification: 00A69, 49Mxx
Tuesday, November 17. 2020
Numerical Analysis of the One-Dimensional Nonlinear Boundary Value Problem that Modeling an Electrostatic NEMS by Two-Sided Approximations Method
O. Konchakovska, M. Sidorov
Department of Applied Mathematics, Faculty of Information and Analytical Technologies and Managment, Kharkiv National University of Radio Electronics, 61166, Kharkiv, Ukraine
Received 17 May, 2020; accepted in revised form 10 November, 2020
Abstract: The problem of numerical analysis of a nanoelectromechanical system, whose mathematical model is the first boundary value problem for a nonlinear one-dimensional elliptic equation, has been considered. An algorithm for obtaining two-sided approximations to a unique positive solution of the problem has been constructed using the method of successive approximations. The work of the proposed method is demonstrated by a series of computational experiments.
c⃝ 2020 European Society of Computational Methods in Sciences and Engineering
Keywords: two-sided approach method, Green’s functions method, strongly invariant cone segment, heterotone operator, nanoelectromechanical system Mathematics Subject Classification: 34B15; 34B18
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Tuesday, August 25. 2020
Numerical approximations of the Keyfitz-Kranzer type models by using entropy stable schemes
Carlos A. Vega1 Departmento de Matem´aticas y Estadıstica, Universidad del Norte, Km 5 Via Puerto Colombia Barranquilla, Colombia.
Sonia Valbuena Grupo GIHEM, Universidad del Atl´antico, Km 7 Via Puerto Colombia Barranquilla, Colombia.
Abstract: Numerical simulations for the Keyfitz-Kranzer system of equations are developed by using high-order entropy stable schemes proposed by Fjordholm et. al. [Arbitrary high-order essentially non-oscillatory entropy stable schemes for systems of conservation laws, SIAM J. Numer. Anal., 50, 544-573 (2012)]. Since existence of entropy pairs is an important ingredient to this approach, they are described in details. Numerical experiments include errors and convergence rates to illustrate the performance of the schemes.
c 2020 European Society of Computational Methods in Sciences and Engineering
Keywords: Conservation laws, Keyfitz-Kranzer system, entropy conservative flux, entropy stable scheme. Mathematics Subject Classification: 35L65, 35L45, 35L67, 58J45, 65M06
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