F a l l 2 0 1 6 ME 4 9 8 C A 1 L o a d i n g - - PowerPoint PPT Presentation

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CSE.ILLINOIS.EDU

ME 4 9 8 C A 1 F a l l 2 1 6

L

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d i n g & A n a l y s i s

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A B A Q U S L

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 A b a q u s / C A E U s e r ’ s M a n u a l , § 1 6  G e t t i n g S t a r t e d w i t h A b a q u s : K e y w

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d s E d i t i

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, § 1 1  A b a q u s T h e

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y M a n u a l , § 2 , 6

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CSE.ILLINOIS.EDU

A B A Q U S L

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P r e s c r i b e d L

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concentrated force uniform field variable field degree of freedom analytical field

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A B A Q U S L

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L

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n a l y s i s s t e p s ( n

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p r e d e fj n e d c

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h y s i c a l l

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d s ( p

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y n a m i c : “ e x c e s s i v e p l a s t i c i t y ”

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l i n e a r / l i n e a r , s t a n d a r d / e x p l i c i t )

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i n e a r p e r t u r b a t i

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s t e p s ( l i n e a r / s t a n d a r d ) U s i n g t h e p r e v i

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s l

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d / d e f

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s t a t e a s a b a s i s , s i m u l a t e a l i n e a r p e r t u r b a t i

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d s a r e s p e c i fj e d a b s

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u t e l y , n

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a s a d d i t i

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a l a c c r u a l s . E . g . , 1 N 3 N s h

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l d s p e c i f y 1 , t h e n 3 → ( n

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1 t h e n 2 )

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A B A Q U S L

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S t e p M

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u l e —L

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l i n e a r / l i n e a r , s t a n d a r d / e x p l i c i t )

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i n e a r p e r t u r b a t i

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s t e p s ( l i n e a r / s t a n d a r d )

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s i n g t h e p r e v i

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s t a t e a s a b a s i s , s i m u l a t e a l i n e a r p e r t u r b a t i

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s l a t e r s t e p s

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d s a r e s p e c i fj e d a b s

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u t e l y , n

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a l a c c r u a l s . E . g . , 1 N 3 N s h

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l d s p e c i f y 1 , t h e n 3 → ( n

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1 t h e n 2 )

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CSE.ILLINOIS.EDU

A B A Q U S L

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CSE.ILLINOIS.EDU

A B A Q U S L

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p l e x s i m u l a t i

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s i n s t a g e s

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r e q u e n c y : e v e r y i n c r e m e n t

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s a m e n a m e r e q .

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A B A Q U S L

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CSE.ILLINOIS.EDU

A B A Q U S L

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d i n g

E x a m p l e : M

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a l A n a l y s i s

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e > 5 H z  s t a r t w i t h F = 4 M N

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CSE.ILLINOIS.EDU

A B A Q U S L

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E x a m p l e : M

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a l A n a l y s i s

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CSE.ILLINOIS.EDU

A B A Q U S L

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G e

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Deformable/ Discrete Rigid Analytical Rigid

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e t r y F e a t u r e s

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t i m p . s e c t i

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A B A Q U S L

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G e

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e t r y F e a t u r e s

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p

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