1. The rectangular plate shown in (a) is modelled by Student A using the 3-noded triangular...
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1. The rectangular plate shown in (a) is modelled by Student A using the 3-noded triangular element as shown in (b). The node labels of two typical elements (elements 1 and 2) are shown in (c). Student A wants to use Equation (41) of Lecture 7 to calculate the element stiffness matrix. Student A has asked for comments from Student B, who says that the FEM model has several shortcomings. However, Student A insists that his FEM model is very good. (a) In your opinion, are there shortcomings of the FEM model proposed by Student A? If yes, then please list the shortcomings one by one and explain each. (b) Please draw the supports of the FEM model in (b) [40%] 2 3 4 5 6 7 1/2 |P V 1 (2) 8 1 9 Fixed Fixed L/2 Edge Edge Free Edge L 1 k (a) 1 (c) 2 k L (b) 34 35 1024) is valid for the use of isoparametric transformation. L/2 [30%] 1. The rectangular plate shown in (a) is modelled by Student A using the 3-noded triangular element as shown in (b). The node labels of two typical elements (elements 1 and 2) are shown in (c). Student A wants to use Equation (41) of Lecture 7 to calculate the element stiffness matrix. Student A has asked for comments from Student B, who says that the FEM model has several shortcomings. However, Student A insists that his FEM model is very good. (a) In your opinion, are there shortcomings of the FEM model proposed by Student A? If yes, then please list the shortcomings one by one and explain each. (b) Please draw the supports of the FEM model in (b) [40%] 2 3 4 5 6 7 1/2 |P V 1 (2) 8 1 9 Fixed Fixed L/2 Edge Edge Free Edge L 1 k (a) 1 (c) 2 k L (b) 34 35 1024) is valid for the use of isoparametric transformation. L/2 [30%]
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a Deficits in Student As FEM model proposal Inadequate Element Type Student A is modeling a rectangle plate with a 3noded triangular element Rectangul... View the full answer
Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
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