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sravani kalluri

mid surface meshing-property

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assuming that you might know why we do mesh at mid-surface rather mesh it on the outer or inner surface, i directly come to ur question about thickness. 


 


1. Our meshing should always represent the geometry because the stiffness matrix varies with respective to the geometry, shape and size(in x,y,z ) on which the stress and defections values are based. 


 


2. irrespective of element type Software requires all 3 dimensions to run an analysis so, For 1D elements, it contains the information of only 1 dimension(say x) but later while defining the cross-sectional parameters we provide the information of other 2 dimensions (y and z). similarly For 2D elements, it contains info of 2 dimensions say x and y, now while assigning thickness we r providing z dimension info. so if u skip defining value even in 1 dimension syntax will fail to execute the analysis request. 


 


there are some rules to be followed before judging the right element type... but it is irrelevant to the question you u posted so, i'm not discussing it here..


 


hope it was clear ! . 


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assuming that you might know why we do mesh at mid-surface rather mesh it on the outer or inner surface, i directly come to ur question about thickness. 

 

1. Our meshing should always represent the geometry because the stiffness matrix varies with respective to the geometry, shape and size(in x,y,z ) on which the stress and defections values are based. 

 

2. irrespective of element type Software requires all 3 dimensions to run an analysis so, For 1D elements, it contains the information of only 1 dimension(say x) but later while defining the cross-sectional parameters we provide the information of other 2 dimensions (y and z). similarly For 2D elements, it contains info of 2 dimensions say x and y, now while assigning thickness we r providing z dimension info. so if u skip defining value even in 1 dimension syntax will fail to execute the analysis request. 

 

there are some rules to be followed before judging the right element type... but it is irrelevant to the question you u posted so, i'm not discussing it here..

 

hope it was clear ! . 

perfectly well   :)

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