I have to insert the initial speed along x and y components of a block, which can fall.
This is for a 2D rock-fall computer program (Rocfall) of a block inserted in a fair sismicity area. I found in a publication
x=1,5 m/s
y=0 m/s
Is it correct? Do you have other suggestions?
Thanks very much.
Hi Stefano,
by fall you mean a real fall (gravity g = 9.80665 m/s2) or a slide? From the values you mention x is in gravity direction? Where would y point to?
I never used this software but if you go to their website they link to several publications and here is what one says https://www.rocscience.com/assets/files/uploads/7759.pdf:
"To illustrate the advantages of RBIM over stereomechanical modeling of rock falls, we will consider the example of a falling rock impacting a horizontal surface. The normal component of the incoming velocity ( Vini , N ), the tangential component of the incoming velocity (Vini, T ) and angular velocity (ωini ) of the rock are -10m/s, 10m/s and 0rad/s, respectively (Fig. 7). (Rotation is assumed positive in the clockwise direction.)"
And this is totally different to your values ;)
So I guess you've to check more and really specifically
cheers,
Tobias
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