نتایج جستجو برای: finite differences method

تعداد نتایج: 2329133  

Journal: :computational methods in civil engineering 2013
r. khajavi

for the nonlinear analysis of structures using the well known newton-raphson method, the tangent stiffness matrices of the elements must be constructed in each iteration. due to the high expense required to find the exact tangent stiffness matrices, researchers have developed novel innovations into the newton-raphson method to reduce the cost and time required by the analysis. in this paper, a ...

Journal: :Europan journal of science and technology 2021

In this study, frequencies of electromagnetic wave propagation in two-dimensional photonic crystal structures are investigated. For purpose, the equation obtained by using Maxwell equations is solved with finite differences method. The fundamental have been a low error rate 3.10%.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1389

one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...

Journal: :Computer Methods in Applied Mechanics and Engineering 1994

Journal: :Handbook of Numerical Analysis 2021

We present and compare various types of discretizations which have been proposed to approximate the total variation (mostly, a gray-level image in two dimensions). discuss properties finite differences elements based approach their merits, particular terms error estimates quality reconstruction.

Journal: :Progress of Theoretical Physics 1971

Journal: :ESAIM: Mathematical Modelling and Numerical Analysis 2008

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