نتایج جستجو برای: conservation law

تعداد نتایج: 262976  

Journal: :The Journal of Criminal Law, Criminology, and Police Science 1962

Journal: :Journal of Chemical Engineering & Process Technology 2013

Journal: :Acta Mathematica Scientia 1990

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده ریاضی و کامپیوتر 1387

در این نوشتار یک طرح مرکزی از مرتبه دقت چهار برای محاسبه جواب های تقریبی قوانین بقا هذلولوی معرفی می شود. برای این کار یک تابع تکه ای درجچه سه برای بازسازی نسبت به متغیر فضایی به کار می رود و برای مشتق های عددی، تقریب های نامتناوب از مرتبه دقت چهرا مورد استفاده قرار می گیرد. برای به دست آوردن جواب در زمان های بعدی از بسط پیوسته طبیعی روش های رانگ کوتا استفاده می گردد. نتایج عددی به دست آمده برا...

2016
Kunihiko Nabeshima Ryo Taniguchi Kotaro Kojima Izuru Takewaki

A closed-form limit on the input level of the double impulse as a substitute of a near-fault ground motion is derived for the overturning of a rigid block. The rocking vibration of the rigid block is formulated by using the conservation law of angular momentum and the conservation law of mechanical energy. The initial rotational velocity after the first impulse and the rotational velocity after...

Journal: :دانشنامه حقوق اقتصادی 0

in thelight of historical and economic circumstances of 1960s, dominant paradigm in international development law was essentially relayed on economic development. but gradually by international efforts and issuing brountland report, the conception of sustainable development came up in context of international law; the conception that by avoiding of mere consideration of economic development and...

2003
Henryk Fukś

We demonstrate that the concept of a conservation law can be naturally extended from deterministic to probabilistic cellular automata (PCA) rules. The local function for conservative PCA must satisfy conditions analogous to conservation conditions for deterministic cellular automata. Conservation condition for PCA can also be written in the form of a current conservation law. For deterministic ...

2010
Anders Szepessy ANDERS SZEPESSY

We prove a convergence result for a shock-capturing streamline diffusion finite element method applied to a time-dependent scalar nonlinear hyperbolic conservation law in two space dimensions. The proof is based on a uniqueness result for measure-valued solutions by DiPerna. We also prove an almost optimal error estimate for a linearized conservation law having a smooth exact solution.

2003
E. G. Bessonov

A logical error in the usual derivation of the energy conservation law is analyzed, and a way to avoid the error is presented. In earlier papers [1], [2] we identified a logical error adopted by repetition in textbooks on classical electrodynamics when the laws of conservation of energy and momentum are derived for a system consisting of electromagnetic fields and charged particles. In this pap...

Journal: :computational methods for differential equations 0
mohammad mehdizadeh khalsaraei university of maragheh f. khodadosti university of maragheh

in this paper, a new implicit nonstandard finite difference scheme for conservation laws, which preserving the property of tvd (total variation diminishing) of the solution, is proposed. this scheme is derived by using nonlocal approximation for nonlinear terms of partial differential equation. schemes preserving the essential physical property of tvd are of great importance in practice. such s...

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