Learning Forum

[James Trudgett]

I am modeling a projectile travelling through a gelatin block but when checking the velocity probe I have attached to the projectile it does not change as it passes throught the gelatin block. why is this?

[Rob]

Which solver are you using? How is motion defined?

[James Trudgett]

I am currently using explicit dynamics to compelte my analysis. I have attached a velocity of 313m/s to my projectile as well as adding connections between my projectile and gelatin block. I have attached photos to better explain this.

[Mike Rife]

Hi James

You've defined a constant velocity for the projectile.  Instead of that what are the defined initial conditions (if any)?  The projectile should have a initial velocity defined instead.

[James Trudgett]

Hi Mike,

Thank you for your help. I have tried to apply the velocty (under the initial conditions section on explicit dynamics) however, when I highlight my projectile (so I can add the velocity to it) it won't let me. Do you know why this may be happening. I've attached a photo to show the issue as well as the other inital conditions I have applied.

[Mike Rife]

James

Looks like the faces of the projectile are selected (1); please instead select the project tile body (2) and apply:

 

[James Trudgett]

Hi Mike,

Thank you for your help. The velocity is now changing as it passes through the block