@article{paperid:1034589, author = {Hassani, Behrooz and M. Tavakkoli}, title = {Prevention of undesirable structural elements in three dimensional topology optimization}, journal = {Asian Journal of Civil Engineering-Building And Housing}, year = {2003}, volume = {4}, number = {1}, month = {March}, issn = {1563-0854}, pages = {11--21}, numpages = {10}, keywords = {TOPOLOGY OPTIMIZATION; NOISE CLEANING; NON-CONFORMING ELEMENTS}, }