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1. Introduction

This application offers two dimensional elastostatic numerical analysis by the finite element method (FEM). awFEM can be utilized to study the mechanical properties of mechanical parts or civil engineering structures, or to learn the FEM technology. It supports all functions of an integrated FEM software as followings.

2D Modeler
— defines geometry by merging or cutting with polygons, rectangles or circles.
Mesher
— automatically generates a mesh that its fineness can be controlled by a density image.
Conditoner
— enters boundary and etc. conditions.
FEM Solver
— supports to plane strain and plane stress problem.
Visualizer
— offers color-contour and deformation view of object.

awFEM was developed with "FEM in your pocket" concept to be realized that you can perform only with a iPhone/iPad until visualization of FEM result from model geometry definition in very short time at wherever you are.

Three nodes element(triangular element) is utilized as FEM element. Displacement, strain and stress are computed as lower value than real value, since this element has a characteristics that has harder stiffness than real material by "volumetric locking problem". The tendency is significant under rough mesh condition. Then this application is not suitable for quantitative structural examination for two dimensional structure, since the purpose of this application is assumed for a qualitative structural examination, or for experience of FEM technology. Please use this application under sufficient comprehension concerned with FEM technology.

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