Archive: physics

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This directory contains source code for physics calculations done by the author over the years. Even if no license is stated in the files, they are all to be considered open source. Many of the files depend on the output of others in the collection, but the collection is supposed to contain everything needed to run them in a FORM, Schoonschip, or Fortran environment.


FORM

elastic charge
files.txt 03Aug13 17:49:28EDT 905 Module map.
dtau.frm
dtau.log
dtau-ck.frm
dtau-ck.log
rdotu.frm
rdotu.log
rdotu-ck.frm
rdotu-ck.log
rdota.frm
rdota.log
rdota-ck.frm
rdota-ck.log
denoms.frm
denoms.log
denoms-ck.frm
denoms-ck.log
lfsing.frm
lfsing.log
lfsing-ck.frm
lfsing-ck.log
lfreg.frm
lfreg.log
lfreg-ck.frm
lfreg-ck.log
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Modules that calulate the Lorentz force for a small charge distribution on itself.
elasforce.frm
elasforce.log
elasemPE.frm
elasemPE.log
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Modules that calculate the elastic force for a general potential energy function and evaluate it for the piece of the Lorentz force on a small charge that has elastic structure.
elascharge.zip 03Aug13 17:49:25EDT 51K A collection of all the above files with a shell script to run them.

point charge
derivs-ra.h 03Aug13 17:49:19EDT 4.6K Procedures for calculating ret/adv point charge derivatives.
derivs.frm
derivs.log
derivs-test.frm
derivs-test.log
03Aug13 17:49:20EDT
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Calculation of ret/adv point charge derivatives.
energy-tensor.frm
energy-tensor.log
energy-tensor-test.frm
energy-tensor-test.log
03Aug13 17:49:27EDT
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Rearrangement of terms in the ret/adv point charge energy-momentum tensor used to define it as a tempered distribution.
nearfardiv.frm
nearfardiv.log
03Aug13 17:49:34EDT
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3.7K
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Four-divergence of the ret/adv, near and far point charge fields.
poynting.frm
poynting.log
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3.2K
4.5K
Poynting vector for ret/adv point charge acceleration fields.
pointcharge.zip 03Aug13 17:49:35EDT 37K Collection of the above files with a shell script to run them.


Schoonschip

small charge

A historical snapshot of the Schoonschip calculation of the Lorentz force for a small charge distribution on itself. It ran on the NeXT, Amiga, and classic Macintosh, all Motorola 680x0, and with the UAE and SheepShaver Amiga and Macintosh emulators.
rad.files 03Aug13 17:49:37EDT 716 Module map.
dtau.e
dtau.out
dtau.dim
dtau.debug
rdotu.e
rdotu.out
rdotu.dim
rdota.e
rdota.out
rdota.dim
denoms.e
denoms.out
lf1
lf1.out
lf3
lf3.out
lf
lf.out
finf
lfar
lffin
lfgrad
lnear
lra
lru1
lru2
pinvert
taus.dim
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Source and text outut.
rad-next.zip 03Aug13 17:49:37EDT 29K Collection of the above files.


Fortran


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