انجمن علوم و فناوری مهندسی نساجی ایران نشریه نساجی و پلیمر 2322-5203 9 1 2021 01 01 Parameter Estimation of Viscoelastic Model to Simulate the Compression Behavior of Artificial Grass under Dynamic Loading Using Imperialist Competitive Algorithm Parameter Estimation of Viscoelastic Model to Simulate the Compression Behavior of Artificial Grass under Dynamic Loading Using Imperialist Competitive Algorithm 1 12 126730 EN Journal Article 2021 02 20 http://www.itast.ir/article_126730_85c22d787eb0808a80dcc0cb4cdf5e89.pdf