Hi, everyone:
In the moses manual ,the #amass is explained as above. for the parameter DISP, it says that the added mass will be DISP/G.
when the analysis is under a SI unit , the added mass has a unit as MTON, so the DISP's unit in the #amass should be MTON*G ??
For example, if i has a launch barge whose amass is 5000mt. Should i type the commond as follows:
#amass *pt 5000*9.8 cx cy cz rx ry rz
thanks for your reply!
THANK YOU VERY MUCH !
Hi Ju Peng,
Thank you for your question.
If you are in MTON units then the input for DISP is in MTON. The document is meant to show that the added mass will be on the mass not the force.
I have attached a sample file that shows the added mass matrix with unit KNTS and MTONS.
I hope this helps.
lset_test.ans.zip