نتایج جستجو برای: روش simp

تعداد نتایج: 369828  

Journal: :Advances in Engineering Software 2023

This paper proposes a new topology optimization method to obtain super-resolution images without increasing mesh refinement by using various methods. For traditional process, low-resolution (LR) are fed into the Solid Isotropic Material with Penalization (SIMP) and Optimality Criteria (OC) Here, trained added inner loops reconstruct used high-resolution (HR) from LR at end of each iteration. Af...

2000
Rabindra N. Mohapatra Fred Olness Ryszard Stroynowski

Journal: :Computers & Graphics 2022

In recent years, Topology Optimization (TO) gained interest in the scientific community. It assists finding best arrangement of material a design volume. The classical approach named ”Solid Isotropic Material with Penalization” (SIMP) associates fictitious density to each finite element domain. While SIMP is described as an implicit which can lead problems dimensionality variables, explicit met...

2003
G. Kiziltas N. Kikuchi J. Volakis

Design optimization for electromagnetic applications has traditionally been a process based on the creativity and past experience of the designer focusing mainly on size optimization. Recent advances in fast and rigorous full wave simulators and the concurrent availability of inexpensive manufacturing techniques for intricate shape and composite materials provides the opportunity to revolutioni...

Journal: :Journal of High Energy Physics 2015

2010
M. Matinfar

In this paper, an application of Homotopy Analysis Method (HAM) is applied to solve the equation governing the unsteady flow of a polytropic gas. Comparison are made between the Adomian decomposition method and homotopy analysis method. The results reveal that the homotopy analysis method is very effective and simp le and gives the exact solution. Classification 2000 MSC: 34K28 • 35G25 • 34K17

Journal: :Journal of High Energy Physics 2017

2000
Rabindra N. Mohapatra Fred Olness Ryszard Stroynowski

We consider laboratory experiments that can detect stable, neutral strongly interacting massive particles (SIMPs). We explore the SIMP annihilation cross section from its minimum value (restricted by cosmological bounds) to the barn range, and vary the mass values from a GeV to a TeV. We also consider the prospects and problems of detecting such particles at the Tevatron.

Journal: :Physical review letters 1995
Eggert Affleck

Non-magnetic impurities in an S=1/2 Heisenberg antiferromagnetic chain are studied using boundary conformal field theory techniques and finitetemperature quantum Monte Carlo simulations. We calculate the static structure function, Simp(k), measured in neutron scattering and the local susceptibility, χi measured in Knight shift experiments. Simp(k) becomes quite large near the antiferromagnetic ...

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