manual_2024/html/MAKE__MECH__PROP__CASE__019_8f90_source.html

!    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_019(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 (vs30 .le. 300.0d0) then

        vp30 = 1800

     else

        vp30 = 2000

     endif


     if ((depth.ge.0.0d0).and.(zs_all.ge.0.0d0)) then

                ! + MATERIAL INSIDE THE BASIN


                 vs = vs30 + (2000.0d0-vs30)*(depth/1000.0d0)**(0.70d0)

                 vp = vp30 + (4500.0d0-vp30)*(depth/1000.0d0)**(0.70d0)

                 rho = 2000.d0 + 0.40d0*depth


                 if (depth .le. 50.0d0) then

                         qs = 20

                 elseif (depth .le. 200.0d0) then

                         qs = 50

                 elseif (depth .le. 500.0d0) then

                         qs = 100

                 else

                         qs = 150

                 endif


                lambda = rho * (vp**2 - 2*vs**2)

                mu = rho * vs**2

                gamma = (3.1415*(2/3))/qs       ! max freq of 2 Hz


      else

                ! + MATERIAL INSIDE THE BEDROCK


                 vs =  2000.d0

                 vp  = 4500.d0

                 rho = 2400.d0

                 qs = 200.d0

                 lambda = rho * (vp**2 - 2*vs**2)

                 mu = rho * vs**2

                 gamma = (3.1415*(2/3))/qs

      endif


     end subroutine make_mech_prop_case_019

make_mech_prop_case_019
subroutine make_mech_prop_case_019(rho, lambda, mu, gamma, qs, qp, xs, ys, zs, depth, zs_all, vs30, thickness, sub_tag_all)
Makes not-honoring technique.
Definition MAKE_MECH_PROP_CASE_019.f90:26