نتایج جستجو برای: 2d fem

تعداد نتایج: 92996  

2011
N. Saeedizadeh S. Kermani H. Rabbani

In this study, a hp-version of Finite Element Method (FEM) was applied for forward modeling in image reconstruction of Electrical Impedance Tomography (EIT). The EIT forward solver is normally based on the conventional Finite Element Method (h-FEM). In h-FEM, the polynomial order (p) of the element shape functions is constant and the element size (h) is decreasing. To have an accurate simulatio...

2018
Meng Shen

The debut of single and few-layer graphene (FLG) in the past decade has surprised the physics community and led to numerous research studies on 2D materials embodied as atomically thin layered materials (ATLMs). Beyond exceptional electronic conductivity, FLG presents various interesting physical properties, including interface-layer-independent heat transfer and wetting transparency. Despite t...

Journal: :Journal of cell science 2010
Esther Zanin Anne Pacquelet Claudia Scheckel Rafal Ciosk Monica Gotta

LA-related protein 1 (LARP-1) belongs to an RNA-binding protein family containing a LA motif. Here, we identify LARP-1 as a regulator of sex determination. In C. elegans hermaphrodites, a complex regulatory network regulates the switch from sperm to oocyte production. We find that simultaneous depletion of larp-1 and the Nanos homologue nos-3 results in germline masculinization. This phenotype ...

2008
W. Elleithy R. Grzhibovskis Wael Elleithy Richards Grzhibovskis

The purpose of this paper is to present an adaptive FEM-BEM coupling method that is valid for both twoand three-dimensional elasto-plastic analyses. The method takes care of the evolution of the elastic and plastic regions. It eliminates the cumbersome of a trial and error process in the identification of the FEM and BEM sub-domains in the standard FEM-BEM coupling approaches. The method estima...

2018
Maria Carla Piastra Andreas Nüßing Johannes Vorwerk Harald Bornfleth Robert Oostenveld Christian Engwer Carsten H. Wolters

In Electro- (EEG) and Magnetoencephalography (MEG), one important requirement of source reconstruction is the forward model. The continuous Galerkin finite element method (CG-FEM) has become one of the dominant approaches for solving the forward problem over the last decades. Recently, a discontinuous Galerkin FEM (DG-FEM) EEG forward approach has been proposed as an alternative to CG-FEM (Engw...

Journal: :The International Journal of Advanced Manufacturing Technology 2022

Abstract This paper concerns the tool wear in hard turning of AISI 52100 hardened steel by means PCBN tools. The purposes this work are development a model and its implementation FEM-based procedure for predicting crater flank progression during machining operations studying influence on process terms geometry modifications stress variation tool. developed model, able to update worn as function...

Journal: :Evolution & development 2009
Robin Cook Hill Eric S Haag

Caenorhabditis elegans and Caenorhabditis briggsae are both self-fertile hermaphroditic nematodes that evolved independently from male/female ancestors. In C. elegans, FEM-1, FEM-2, and FEM-3 specify male fates by promoting proteolysis of the male-repressing transcription factor, TRA-1. Phenotypes of tra-1 and fem mutants are consistent with this simple linear model in the soma, but not in the ...

2017
Dong Li Liang Dong Jianhua Yin Roderic S. Lakes

A 2D (two dimensional) random cellular solid model was built using FEM(finite element method) based on a modified Voronoi tessellation technique. A sequence of permanent biaxial compression deformations was applied on the model to obtain a series of re-entrant random cellular solid structures with different area compression ratios. The Poisson's ratio and energy absorption capacity of cellular ...

Journal: :European Physical Journal-applied Physics 2022

A new 2D-hybrid model in cylindrical coordinates intended for the study of a transient magneto-thermal coupled problem is proposed. This used to evaluate spatiotemporal distribution temperature rotating aluminum billets heated by permanent magnets induction-heating device (PMIHD). The proposed hybrid consists coupling an exact analytical solution 2D magneto-harmonic field thermal analysis where...

2017
Arvind Vasudevan Victor Zappi Peter Anderson Sidney Fels

A balance between the simplicity and speed of lumped-element vocal fold models and the completeness and complexity of continuum-models is required to achieve fast high-quality articulatory speech synthesis. We develop and implement a novel self-oscillating vocal-fold model, composed of a 1D unsteady fluid model loosely coupled with a 2D FEM structural model. The flow model is capable of robustl...

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