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The transformation relationships into strain displacement relations. Then the equation can be written as ____

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in Finite Element Method by (110k points)
The transformation relationships into strain displacement relations. Then the equation can be written as ____

(a) ε=Bq

(b) ε=Dq

(c) ε=q

(d) Elemental surface

This question was posed to me in exam.

My question is from Finite Element Modelling topic in section Axis Symmetric Solids Subjected to Axis Symmetric Loading of Finite Element Method

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The correct answer is (a) ε=Bq

To explain I would say: For a triangular element, it can be modeled by using isoparametric formulation and then by chain rule, a jacobian matrix can be formed and then by transforming the matrix into simple form it is represented as

   ε=Bq.

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