且其中有一点不明白,三个方向的加速度功率谱用编号为99的RANDPS定义,这是怎么识别是施加在哪个方向的功率谱,没搞懂。
$ Define Random Input for all 3 direction using same ID. All RANDPS entry
$ with same ID will be added together.
$
RANDPS,99, 11, 11, 1.0, 0.0, 11
RANDPS,99, 12, 12, 1.0, 0.0, 12
RANDPS,99, 13, 13, 1.0, 0.0, 13
$
TABRND1, 11, Log, Log
+, 10.0, 0.18, 15.0, 0.18, 15.1, 0.12, 25.0, 0.12
+, 25.1, 0.22, 110.0, 0.22, 110.1, 0.12, 1000.0, 0.12
+, Endt
$
TABRND1, 12, Log, Log
+, 10.0, 0.18, 15.0, 0.18, 15.1, 0.12, 25.0, 0.12
+, 25.1, 0.22, 110.0, 0.22, 110.1, 0.12, 1000.0, 0.12
+, Endt
$
TABRND1, 13, Log, Log
+, 10.0, 0.15, 34.9, 0.15, 35.0, 0.25, 55.0, 0.25
+, 55.1, 0.15, 310.0, 0.15, 310.1, .075, 1000.0, .075
+, Endt |