-18.6*sin(pi()*t) 0 1 0 1E+15 Pa/m 0.275 100 Pa/mm 10000 GPa/m 0.275 100 Pa/mm 1000000 GPa/m 0.275 100000 Pa/m 0 mm -z 0 x 0 mm 0 1 0 0 mm