I am currently working on the effects of rock boulders upon a structure and I would like to simulate the dynamic impact force using Plaxis 2D. Since the duration of the impact is between 0-0,2 sec , how could I calibrate precisely a table of Impact Dynamic Force avoiding excessive Globar Error, and Log Info ''Accuracy condition not reached in last step''? Briefly, I'd like to mention that I tried to perform the analysis defining as accurately as possible a figure of Force domain.
Thank you in advance,
Paschalis M.
Can you show the computational domain that illustrate the subject problem.
If you mean the dynamic multipliers, I assigned values of percents in my current Force-time History. The Δt (Dynamic Time interval) as well as each value is obtained by bibliographic background according to assumptions. Therefore I share my current time history. (I have defined q,ref as the MaxForce subjected to the structure.
dt Fi
0 0,00
0,0001 0,00
0,00015 0,01
0,025 1,00
0,05 0,85
0,075 0,72
0,1 0,72
0,2 0,15
0,225 0,15
0,25 0,15
0,275 0,00
0,3 0,00
You could design your impact load with very small time step in table load. then the PLAXIS will select an appropriate time step automatically or you could change the time step of the analysis to manual type and insert a very small time step by using number of steps close to 400 steps according to your case.
- Badges
- Science topic
- Similar topics
- Force