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MIT2_094S11_lec1

# MIT2_094S11_lec1 - 2.094 Finite Element Analysis of Solids...

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2.094 Finite Element Analysis of Solids and Fluids Fall ‘08 Lecture 1 - Large displacement analysis of solids/structures Prof. K.J. Bathe MIT OpenCourseWare 1.1 Project Example Physical problem Reading: Ch. 1 in the text “Simple” mathematical model analytical solution F.E. solution(s) More complex mathematical model holes included large disp./large strains F.E. solution(s) How many finite elements? We need a good error measure (especially for FSI) “Even more complex” mathematical model The“complex mathematical model”includes Fluid Structure Interaction (FSI). You will use ADINA in your projects (and homework) for structures and ﬂuid ﬂow. 3

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MIT 2.094 1. Large displacement analysis of solids/structures 1.2 Large Displacement analysis Lagrangian formulations: Total Lagrangian formulation Updated Lagrangian formulation Reading: Ch. 6 1.2.1 Mathematical model/problem Given the original configuration of the body, the support conditions, the applied external loads, the
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