نتایج جستجو برای: strain inertia gradient theory

تعداد نتایج: 1116150  

The main goal of this research is to provide a more detailed investigation of the size-dependent response of magneto-electro-thermo-elastic (METE) nanobeams subjected to propagating wave, ...

Journal: :journal of sciences islamic republic of iran 0

an analysis of selected fission fragment angular distributions from helium-ion induced fission is made using an exact theoretical expression. theoretical anisotropies obtained with the transition state model are compared with their corresponding values deduced from the statistical scission model. the nuclear moment of inertia extracted from the model calculations are compared with their estimat...

Journal: :Linear Algebra and its Applications 1985

Journal: :SIAM J. Math. Analysis 2017
Riccarda Rossi Marita Thomas

We address the analysis of an abstract system coupling a rate-independent process with a second order (in time) nonlinear evolution equation. We propose suitable weak solution concepts and obtain existence results by passing to the limit in carefully devised time-discretization schemes. Our arguments combine techniques from the theory of gradient systems with the toolbox for rate-independent ev...

Journal: :Communications in Nonlinear Science and Numerical Simulation 2020

Journal: :Continuum Mechanics and Thermodynamics 2021

A common belief in phenomenological strain gradient plasticity modeling is that including the of scalar variables constitutive setting leads to size-dependent isotropic hardening, whereas second-order tensors induces kinematic hardening. The present paper shows it also possible produce hardening using scalar-based theory. For this purpose, a new model involving equivalent plastic developed and ...

Journal: :تحقیقات مهندسی کشاورزی 0
حجت احمدی دانشجوی دکتری حسن رحیمی استاد دانشکده مهندسی و فناوری کشاورزی دانشگاه تهران عبدالحسین هورفر استادیار گروه آموزشی مهندسی آبیاری و آبادانی دانشکده مهندسی و فناوری کشاورزی دانشگاه تهران عباس سروش دانشیار دانشکده مهندسی عمران و محیط زیست دانشگاه صنعتی امیرکبیر پیتر فرمییر استاد انستیتو ژئوتکنیک دانشگاه اشتوتگارت

the consolidation test method proposed by terzaghi and used in most soil mechanic laboratories has limitations and weaknesses. to get correct results, improvement and modification of the test method is essential. several experimental methods, such as constant loading rate, gradient and constant rate of strain (crs) have been used over the past 40 years. of these methods, crs is more advantageou...

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