Dconnector.F90 12 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442
!
! This file is part of SACAMOS, State of the Art CAble MOdels in Spice. 
! It was developed by the University of Nottingham and the Netherlands Aerospace 
! Centre (NLR) for ESA under contract number 4000112765/14/NL/HK.
! 
! Copyright (C) 2016-2017 University of Nottingham
! 
! SACAMOS is free software: you can redistribute it and/or modify it under the 
! terms of the GNU General Public License as published by the Free Software 
! Foundation, either version 3 of the License, or (at your option) any later 
! version.
! 
! SACAMOS 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 General Public License 
! for more details.
! 
! A copy of the GNU General Public License version 3 can be found in the 
! file GNU_GPL_v3 in the root or at <http://www.gnu.org/licenses/>.
! 
! SACAMOS uses the EISPACK library (in /SRC/EISPACK). EISPACK is subject to 
! the GNU Lesser General Public License. A copy of the GNU Lesser General Public 
! License version can be found in the file GNU_LGPL in the root of EISPACK 
! (/SRC/EISPACK ) or at <http://www.gnu.org/licenses/>.
! 
! The University of Nottingham can be contacted at: ggiemr@nottingham.ac.uk
!
! File Contents:
! SUBROUTINE Dconnector_set_parameters
! SUBROUTINE Dconnector_set_internal_domain_information
! SUBROUTINE Dconnector_plot
!
! NAME
!     Dconnector_set_parameters
!
! AUTHORS
!     Chris Smartt
!
! DESCRIPTION
!     Set the overall parameters for a Dconnector cable
!
! COMMENTS
!      
!
! HISTORY
!
!     started 12/4/2016 CJS 
!     20/5/2016 CJS Allow use of the Laplace solver in the internaln domain
!     16/11/2017 CJS Include network synthesis process to replace s-domain transfer functions
!
!
SUBROUTINE Dconnector_set_parameters(cable)

USE type_specifications

IMPLICIT NONE

! variables passed to subroutine

  type(cable_specification_type),intent(INOUT)    :: cable

! local variables

! START

  cable%cable_type=cable_geometry_type_Dconnector
  cable%tot_n_conductors=0        ! this is set in the cable specification file
  cable%tot_n_domains=2
  cable%n_external_conductors=1   
  cable%n_internal_conductors=0   ! this is set in the cable specification file
  cable%n_internal_domains=1
  cable%n_parameters=4
  cable%n_dielectric_filters=0
  cable%n_transfer_impedance_models=0

END SUBROUTINE Dconnector_set_parameters
!
! NAME
!     Dconnector_set_internal_domain_information
!
! AUTHORS
!     Chris Smartt
!
! DESCRIPTION
!     Set the overall parameters for a Dconnector cable
!
! COMMENTS
!     Set the dimension of the domain transformation matrices to include an external reference conductor for the cable 
!      
!
! HISTORY
!
!     started 12/4/201 CJS 
!     8/5/2017         CJS: Include references to Theory_Manual
!
!
SUBROUTINE Dconnector_set_internal_domain_information(cable)

USE type_specifications
USE constants
USE general_module
USE maths
USE PUL_parameter_module

IMPLICIT NONE

! variables passed to subroutine

  type(cable_specification_type),intent(INOUT)    :: cable

! local variables

  integer :: nc
  integer :: dim

  integer :: domain

  type(PUL_type)    :: PUL

  integer :: ierr
 
! variables for cable parameter checks 
  logical :: cable_spec_error
  real(dp) :: rw
  real(dp) :: p
  real(dp) :: s
  real(dp) :: o
  
! variables for cross section geometry

  integer  :: ncrow(2)  ! number of conductors in the two rows 
  real(dp) :: w(2)      ! width of the two rows of conductors
  integer  :: i
  
  character(LEN=error_message_length) :: message 
  
  character(LEN=2) :: conductor_string
 
! START

! Check the cable parameters
  
  nc=cable%tot_n_conductors 

  rw=cable%parameters(1)
  p=cable%parameters(2)
  s=cable%parameters(3)
  o=cable%parameters(4)
    
  cable_spec_error=.FALSE.    ! assume no errors initially
  message=''
  
! we must have 5 or more conductors in a D connector
  if (nc.LT.5) then
    message='ERROR: There must be 5 or more conductors in a D connector'
    write(*,'(A)')message
    cable_spec_error=.TRUE.
  end if
  
  CALL cylindrical_check(rw,cable_spec_error,cable%cable_name,message)
  CALL gt_zero_check(p,cable_spec_error,cable%cable_name,message)
  CALL gt_zero_check(s,cable_spec_error,cable%cable_name,message)
  CALL gt_zero_check(o,cable_spec_error,cable%cable_name,message)
  
  if (cable_spec_error) then       
    run_status='ERROR in cable_model_builder, error on parameters for cable:'//trim(cable%cable_name)//'. '//trim(message)
    CALL write_program_status()
    STOP 1
  end if
  
! set the information related to the number of conductors.
! Note that the number of conductors includes the shield which encloses the connector pins
  
  cable%n_internal_conductors=nc-1
  cable%n_external_conductors=1
      
! Set the parameters for the single internal domain  
  domain=1
      
  cable%n_internal_conductors_in_domain(domain)=nc
    
! The number of modes in the internal domain is nc-1

  dim=nc-1
  cable%L_domain(domain)%dim=dim
  ALLOCATE(cable%L_domain(domain)%mat(dim,dim))
  cable%C_domain(domain)%dim=dim
  ALLOCATE(cable%C_domain(domain)%mat(dim,dim))
  
  if (use_laplace) then
  
! allocate memory for the PUL parameter solver interface

    if(verbose) write(*,*)'Domain:',domain
    if(verbose) write(*,*)'Allocating PUL data structure for Dconnector'
    
    CALL allocate_and_reset_PUL_data(PUL,nc)
        
    PUL%shape(1:nc-1)=circle

! work out the number of conductors in the two rows    
    ncrow(1)=nc/2
    ncrow(2)=(nc-1)-ncrow(1)
    
    write(*,*)'Connector model: nc1=',ncrow(1),' nc2=',ncrow(2)
    
! width of the two rows of conductors    
    w(1)=(ncrow(1)-1)*p
    w(2)=(ncrow(2)-1)*p

! top row conductors
    do i=1,ncrow(1)    
    
      PUL%x(i)=-w(1)/2d0+(i-1)*p
      PUL%y(i)=s/2d0
      PUL%r(i)=rw
      PUL%rd(i)=rw
      PUL%epsr(i)=1d0    ! no dielectric on conductors, they are in a homogeneous dielectric medium
    
    end do

! bottom row conductors
    do i=1,ncrow(2)    
    
      PUL%x(ncrow(1)+i)=-w(2)/2d0+(i-1)*p
      PUL%y(ncrow(1)+i)=-s/2d0
      PUL%r(ncrow(1)+i)=rw
      PUL%rd(ncrow(1)+i)=rw
      PUL%epsr(ncrow(1)+i)=1d0    ! no dielectric on conductors, they are in a homogeneous dielectric medium
    
    end do
        
    PUL%epsr_background = 1d0  ! permittivity of homogeneous dielectric medium surrounding conductors
    
! no ground plane
    PUL%ground_plane_present=.FALSE.
      
! add overshield i.e. the Dconnector shield
    PUL%overshield_present=.TRUE.
    PUL%overshield_shape=Dshape     
    PUL%overshield_x = 0d0          ! shield is centred at the origin in this calculation
    PUL%overshield_y = 0d0
    PUL%overshield_r = rw+o                      ! Dconnector curve radius (dl is defined in terms of this)
    PUL%overshield_w = w(1)+2d0*(rw+o)           ! Dconnector shield top width
    PUL%overshield_w2 = w(2)+2d0*(rw+o)          ! Dconnector shield bottom width
    PUL%overshield_h = s+2d0*(rw+o)              ! Dconnector shield height
    
    CALL PUL_LC_Laplace(PUL,cable%cable_name,cable%Y_fit_model_order,cable%Y_fit_freq_spec,domain) 
    
    cable%L_domain(domain)%mat(:,:)=PUL%L%mat(:,:)
    cable%C_domain(domain)%mat(:,:)=PUL%C%mat(:,:)
    
  else
  
    run_status='ERROR in Dconnector: this cable type must use the Laplace solver for the PUL paramter calculation'
    CALL write_program_status()
    STOP 1
  
  end if 
  
  CALL Z_Y_from_L_C(cable%L_domain(domain),cable%C_domain(domain),cable%Z_domain(domain),cable%Y_domain(domain))
  
  if (use_laplace) CALL deallocate_PUL_data(PUL)  ! deallocate the PUL data structure

! Set the domain decomposition matrices ! Theory_Manual_Eqn 6.19, 6.20

! The dimension of the domain transformation matrices is the number of conductors+1
  dim=nc+1

  cable%MI%dim=dim
  ALLOCATE(cable%MI%mat(dim,dim))
  cable%MI%mat(:,:)=0d0
  
  cable%MV%dim=dim
  ALLOCATE(cable%MV%mat(dim,dim))
  cable%MV%mat(:,:)=0d0
  
  do i=1,nc-1    ! loop over conductors except the local reference (shield) conductor 

    cable%MI%mat(i,i)=1d0
  
    cable%MV%mat(i,i)= 1d0
    cable%MV%mat(i,nc)=-1d0
  
  end do

! row for local reference conductor
  do i=1,nc
    cable%MI%mat(nc,i)=1d0
  end do

  cable%MV%mat(nc,nc)=1d0
  cable%MV%mat(nc,nc+1)=-1d0

! row for global reference 
  do i=1,nc+1
    cable%MI%mat(nc+1,i)=1d0
  end do

  cable%MV%mat(nc+1,nc+1)=1d0

! Set the local reference conductor numbering  
  ALLOCATE( cable%local_reference_conductor(nc) )
  do i=1,nc-1
    cable%local_reference_conductor(i)=nc            ! inner conductor, reference is the shield conductor
  end do  
  cable%local_reference_conductor(nc)=0              ! external domain conductor, reference not known

! Set the local domain information: include a reference conductor in the count
  ALLOCATE( cable%local_domain_n_conductors(1:cable%tot_n_domains) )
  cable%local_domain_n_conductors(1)=nc             ! internal domain 
  cable%local_domain_n_conductors(2)=2              ! external domain 
  
! Set the external domain conductor and dielectric information
   
  ALLOCATE( cable%external_model(cable%n_external_conductors) )
  CALL reset_external_conductor_model(cable%external_model(1))
  cable%external_model(1)%conductor_type=Dshape
  cable%external_model(1)%conductor_radius=o+rw
  cable%external_model(1)%conductor_width=w(1)+2d0*(o+rw)
  cable%external_model(1)%conductor_width2=w(2)+2d0*(o+rw)
  cable%external_model(1)%conductor_height=s+2d0*(o+rw)
  
  ALLOCATE( cable%conductor_label(1:cable%tot_n_conductors) )
  do i=1,cable%tot_n_conductors-1
    write(conductor_string,'(I2)')i
    cable%conductor_label(i)='Cable name: '//trim(cable%cable_name)//   &
    '. type: '//trim(cable%cable_type_string)//'. conductor '//conductor_string//' : D connector conductor'
  end do
  write(conductor_string,'(I2)')cable%tot_n_conductors
  cable%conductor_label(i)='Cable name: '//trim(cable%cable_name)//   &
    '. type: '//trim(cable%cable_type_string)//'. conductor '//conductor_string//' : D connector Shield'
  
END SUBROUTINE Dconnector_set_internal_domain_information
!
! NAME
!     Dconnector_plot
!
! AUTHORS
!     Chris Smartt
!
! DESCRIPTION
!     plot Dconnector cable 
!
! COMMENTS
!     the angle has an impact here...
!     The conductor geometry must be consistent with the documentation...
!
! HISTORY
!
!     started 14/4/2016 CJS 
!
!
SUBROUTINE Dconnector_plot(cable,x_offset,y_offset,theta,xmin,xmax,ymin,ymax)

USE type_specifications
USE general_module

IMPLICIT NONE

! variables passed to subroutine

  type(cable_specification_type),intent(IN)    :: cable
  
  real(dp),intent(IN) :: x_offset,y_offset,theta
  real(dp),intent(INOUT) ::  xmin,xmax,ymin,ymax

! local variables

! variables for cable parameters
  integer  :: nc
  real(dp) :: rw
  real(dp) :: p
  real(dp) :: s
  real(dp) :: o
  
! variables for cross section geometry

  integer  :: ncrow(2)  ! number of conductors in the two rows 
  real(dp) :: w(2)      ! width of the two rows of conductors

  real(dp) :: cx,cy,x,y  
  
  real(dp) :: wd,wd2,hd
  
  integer  :: i

! START

  nc=cable%tot_n_conductors 

  rw=cable%parameters(1)
  p=cable%parameters(2)
  s=cable%parameters(3)
  o=cable%parameters(4)

! plot inner conductors

! work out the number of conductors in the two rows    
  ncrow(1)=nc/2
  ncrow(2)=(nc-1)-ncrow(1)
    
! width of the two rows of conductors    
  w(1)=(ncrow(1)-1)*p
  w(2)=(ncrow(2)-1)*p

! top row conductors
  do i=1,ncrow(1)    
  
    cx=-w(1)/2d0+(i-1)*p
    cy=s/2d0
    
    x=x_offset+cx*cos(theta)-cy*sin(theta)
    y=y_offset+cx*sin(theta)+cy*cos(theta)

    CALL write_circle(x,y,rw,conductor_geometry_file_unit,xmin,xmax,ymin,ymax)
  
  end do

! bottom row conductors
  do i=1,ncrow(2)    
  
    cx=-w(2)/2d0+(i-1)*p
    cy=-s/2d0
    
    x=x_offset+cx*cos(theta)-cy*sin(theta)
    y=y_offset+cx*sin(theta)+cy*cos(theta)

    CALL write_circle(x,y,rw,conductor_geometry_file_unit,xmin,xmax,ymin,ymax)
  
  end do
  
! write the outer conductor    
  x=x_offset
  y=y_offset

  CALL write_Dshape(x,y,w(1)/2d0,w(2)/2d0,s/2d0,rw+o,theta,conductor_geometry_file_unit,xmin,xmax,ymin,ymax)
    
  RETURN
  
END SUBROUTINE Dconnector_plot