Project supported by the National Natural Science Foundation of China (Nos.59805001,50475150 and 10332010);the Key Science and Technology Research Project of Ministry of Education of China (No. 104060);the Program for New Century Excellent Talents in University (No.050284);the Post-Doctoral Science Foundation of China (No.2004036110)
The numerical non-stability of a discrete algorithm of topology optimization can result from the inaccurate evaluation of element sensitivities. Especially, when material is added to elements, the estimation of elemen...