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changed damp_type to be a mdr damping coefficent

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This commit is contained in:
William Zunker
2025-04-15 13:55:38 -04:00
parent 585565edb9
commit 0c29a0a0c9
7 changed files with 22 additions and 23 deletions
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6
examples/granular/in.tableting.200
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@ -50,8 +50,8 @@ variable mu_roll equal 0.6
variable k_roll equal 2.25*${mu_roll}*${mu_roll}*${YoungsModulus}*${atomRadius}
variable gamma_roll equal 0.0
pair_coeff * * mdr ${YoungsModulus} ${PoissonsRatio} ${YieldStress} ${SurfaceEnergy} ${psi_b} ${damp} ${damp_type} &
damping mdr &
pair_coeff * * mdr ${YoungsModulus} ${PoissonsRatio} ${YieldStress} ${SurfaceEnergy} ${psi_b} ${damp} &
damping mdr ${damp_type} &
tangential linear_history ${kt} ${xgammat} ${mu_s} &
rolling sds ${k_roll} ${gamma_roll} ${mu_roll}
@ -60,7 +60,7 @@ pair_coeff * * mdr ${YoungsModulus} ${PoissonsRatio} ${YieldStress} ${SurfaceEne
variable disp_upper equal 0.0
variable disp_lower equal 0.0
variable wall_contact_string string "granular mdr ${YoungsModulus} ${PoissonsRatio} ${YieldStress} ${SurfaceEnergyWall} ${psi_b} ${damp} ${damp_type} damping mdr tangential linear_history ${kt_wall} ${xgammat} ${mu_s_wall} rolling sds ${k_roll} ${gamma_roll} ${mu_roll}"
variable wall_contact_string string "granular mdr ${YoungsModulus} ${PoissonsRatio} ${YieldStress} ${SurfaceEnergyWall} ${psi_b} ${damp} damping mdr ${damp_type} tangential linear_history ${kt_wall} ${xgammat} ${mu_s_wall} rolling sds ${k_roll} ${gamma_roll} ${mu_roll}"
variable dieHeight2 equal 2*${dieHeight}

6
examples/granular/in.triaxial.compaction.12
View File

@ -38,8 +38,8 @@ variable kt equal 2/7*${YoungsModulus}*${atomRadius}
variable xgammat equal 0.0
variable mu_s equal 0.5
pair_coeff * * mdr ${YoungsModulus} ${PoissonsRatio} ${YieldStress} ${SurfaceEnergy} ${psi_b} ${damp} ${damp_type} &
damping mdr &
pair_coeff * * mdr ${YoungsModulus} ${PoissonsRatio} ${YieldStress} ${SurfaceEnergy} ${psi_b} ${damp} &
damping mdr ${damp_type} &
tangential linear_history ${kt} ${xgammat} ${mu_s}
######################################### ADD IN PLANES ################################################
@ -57,7 +57,7 @@ region plane_xz_neg plane 0 -${halfBoxWidth} 0 0 1 0 side in move NULL v_plane_d
region plane_xy_pos plane 0 0 ${halfBoxWidth} 0 0 -1 side in move NULL NULL v_plane_disp_neg units box
region plane_xy_neg plane 0 0 -${halfBoxWidth} 0 0 1 side in move NULL NULL v_plane_disp units box
variable wall_contact_string string "granular mdr ${YoungsModulus} ${PoissonsRatio} ${YieldStress} ${SurfaceEnergy} ${psi_b} ${damp} ${damp_type} damping mdr tangential linear_history ${kt} ${xgammat} ${mu_s} "
variable wall_contact_string string "granular mdr ${YoungsModulus} ${PoissonsRatio} ${YieldStress} ${SurfaceEnergy} ${psi_b} ${damp} damping mdr ${damp_type} tangential linear_history ${kt} ${xgammat} ${mu_s} "
fix plane_yz_pos all wall/gran/region ${wall_contact_string} region plane_yz_pos contacts
fix plane_yz_neg all wall/gran/region ${wall_contact_string} region plane_yz_neg contacts