@article{paperid:1057861, author = {, and Hassani, Behrooz}, title = {Topological optimization of vibrating continuum structures for optimal natural eigenfrequency}, journal = {International Journal of Optimization in Civil Engineering}, year = {2017}, volume = {7}, number = {1}, month = {January}, issn = {2228-7558}, pages = {1--12}, numpages = {11}, keywords = {topology optimization; SIMP; multiple eigenvalues; bound formulation; MMA}, }