Dear Sir / Madam,
I would like to do launch analysis in Moses without using automatic offshore installation macros, but I am not able to activate the launch way connectors (I am not talking about rocker arm pins and trailing edges connectors).
I tried to use the manual launch files (man_laun.cif, man_laun.dat and ji_barge.dat) and I would be grateful if you update these to define the connectors or send me any sample which shows how to define them without using install macro.
Best regards,
Jalal
Hello Jalal,
You give me very little information to work with.
Are you getting an error when you try to activate the launch way connectors? If there is an error, please post the error.
The files man_laun do have launch way connectors. The connectors are defined with the "assembly lleg" command. Please see the command file lines 44 to 55. If you are getting an error, please post the error.
Georgina Maldonado
Hi Georgina,Thanks for your reply. The issue is when I have shortened the structure (man_laun.dat, please replace the following joints coordinate with existing values in man_laun.dat file) to half height of existing as mentioned below and the structure is from rocker arm and its pin, there is a pin reaction which is not correct. It seems, Moses just consider the connectors at the trailing edges and pin locations, even the structure is far from pin, and there are no other connectors in between and the summation pins and TE reactions is almost equal to the total weight of structure (e.g. compare the reaction at event 5s).I am interested to active the connectors in between of pin location and trailing edge.Best regards,Jalal
*J0001 -25 25 -100*J1001 -25 25 -75*J2001 -25 25 -25*J0002 -25 25 0*J1003 -25 25 50*J0003 -25 25 100*J0004 -25 -25 -100*J1004 -25 -25 -75*J2004 -25 -25 -25*J0005 -25 -25 0*J1006 -25 -25 50*J0006 -25 -25 100*J0007 25 25 -100*J0008 25 25 0*J0009 25 25 100*J0010 25 -25 -100*J0011 25 -25 0*J0012 25 -25 100
You are getting results from the skidway report? The column heading reads "reaction at the pin"?
In your first message you said you were trying to model a launch. From your second message it appears you are trying to model vertical supports. There are many ways to model vertical supports. Launch ways are just one option.
If you have files that show the problem please send them. Asking me to copy-paste from a list only tests my ability to copy-paste. My ability to copy-paste does not demonstrate the question you are having. Please send files and tell me what file and line number to review. If you have a question about the output file, you can make reference to the page number.
Hi Jalal,
I think you are focusing on the wrong report. The report you plotted is titled "Skidway Reactions". That is a free body diagram where the ends of the skidway are where the force is applied. You are interested in the loads at each support location for the barge. Please see the reports with title "Restraint Load Detail". I am attaching a cif file and an output file to this message to illustrate my findings.
At time = 0 the skidway report reads 748x2 at the pin and 1541x2 at the bow. Please review the restraint load detail for load case LT00. The support at jacket J1004 and J1001 is 748 at echo point. This corresponds to the pin reaction. The sum of the load on all the other supports is 1541x2.
At time = 15 , there is 841x2 at the pin and 1467x2 at the trailing edge. The restraint load detail for load case LT15 reports 311+263+242= 816for support locations J0002 J1001 and J2001. Al the other supports sum to 1490.
I am sure you can make the comparisons to the other time steps.
Please review this information. Let me know if you still want alternative ways to model vertical supports.
Georginahttps://communities.bentley.com/cfs-file/__key/communityserver-discussions-components-files/343374/man_5F00_laun.cifout00001.txt