@article{paperid:1043385, author = {J.E.Jam and Afsharfard, Aref}, title = {Investigating Vibratory Behavior of Nonlinear Single Unit Impact Dampers Using Perturbation Method and Genetic Algorithm}, journal = {International Journal of Aerospace Sciences}, year = {2012}, volume = {1}, number = {2}, month = {September}, issn = {2169-8872}, pages = {16--20}, numpages = {4}, keywords = {Impact Damper; Homotopy Perturbation; Hertzian Contact; Genetic Algorithm}, }