MAKE_MECH_PROP_CASE_022.f90

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!    Copyright (C) 2012 The SPEED FOUNDATION
!    Author: Ilario Mazzieri
!
!    This file is part of SPEED.
!
!    SPEED is free software; you can redistribute it and/or modify it
!    under the terms of the GNU Affero General Public License as
!    published by the Free Software Foundation, either version 3 of the
!    License, or (at your option) any later version.
!
!    SPEED is distributed in the hope that it will be useful, but
!    WITHOUT ANY WARRANTY; without even the implied warranty of
!    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
!    Affero General Public License for more details.
!
!    You should have received a copy of the GNU Affero General Public License
!    along with SPEED.  If not, see <http://www.gnu.org/licenses/>.
 
 
 
 
 
     subroutine make_mech_prop_case_022(rho, lambda, mu, gamma, qs, qp, & !outputs
                                        xs, ys, zs, Depth, zs_all,&
                                        vs30, thickness, sub_tag_all)
              
     real*8, intent(out) :: rho, lambda, mu, gamma, qs, qp
     real*8, intent(in)  :: xs, ys, zs, depth, zs_all,&
                            vs30, thickness
     integer*4           :: sub_tag_all                                                 
     real*8              :: ni, vs, vp, depth_real         
              
     rho    = 0.d0;
     lambda = 0.d0;
     mu     = 0.d0;
     gamma  = 0.d0;
     qs     = 0.d0;
     qp     = 0.d0
     
     if ((depth .ge. 0.0d0).and.(zs_all .ge. 0.0d0)) then                
     !   ! + MATERIAL INSIDE THE BASIN 
     !! NEWER VS-RULE
              if (depth .le. 150) then
                 vs = 281.64 + (2.0000*(548.33-281.64))/(1.0000+(15.0000/(depth+0.1000))**1.2900)
                  else
                     vs = 975
                  endif                                           
          vp  = 1.855 * vs
          rho = 1900 + vs / 1700 * 600          
          lambda = rho * (vp**2 - 2*vs**2)            
          mu = rho * vs**2  
          qs = 50
          gamma = (3.1415*(2/3))/qs
                                                  
     else
     ! + MATERIAL INSIDE THE BEDROCK - FIRST LAYER OF CRUSTAL MODEL
     ! Depth_real = zs
         vs = 1700
         vp  = 3160
         rho =  2500         
         lambda = rho * (vp**2 - 2*vs**2)            
         mu = rho * vs**2  
         qs = 200
         gamma = (3.1415*(2/3))/qs  
     endif
   
     
     
     
     end subroutine make_mech_prop_case_022