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镜像自地址 https://gitee.com/sunhf/gprMax.git 已同步 2025-08-07 04:56:51 +08:00
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Added info on PML scaling direction.

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Craig Warren
2016-07-29 17:29:14 +01:00
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docs/source/input.rst
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@@ -885,3 +885,7 @@ Allows you (advanced) control of the parameters that are used to build each orde
* ``f5 f6`` are the minimum and maximum values for the CFS :math:`\sigma` parameter. * ``f5 f6`` are the minimum and maximum values for the CFS :math:`\sigma` parameter.
The CFS values (which are internally specified) used for the default standard first order PML are: ``#pml_cfs: constant forward 0 0 constant forward 1 1 quartic forward 0 None``. Specifying 'None' for the maximum value of :math:`\sigma` forces gprMax to calculate it internally based on the relative permittivity and permeability of the underlying materials in the model. The CFS values (which are internally specified) used for the default standard first order PML are: ``#pml_cfs: constant forward 0 0 constant forward 1 1 quartic forward 0 None``. Specifying 'None' for the maximum value of :math:`\sigma` forces gprMax to calculate it internally based on the relative permittivity and permeability of the underlying materials in the model.
.. tip::
``forward`` direction implies minimum parameter value at the inner boundary of the PML and maximum parameter value at the edge of computational domain, ``reverse`` is the opposite.