Page Menu
Home
c4science
Search
Configure Global Search
Log In
Files
F88417833
units.cc
No One
Temporary
Actions
Download File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Award Token
Subscribers
None
File Metadata
Details
File Info
Storage
Attached
Created
Fri, Oct 18, 17:04
Size
6 KB
Mime Type
text/x-c
Expires
Sun, Oct 20, 17:04 (1 d, 23 h)
Engine
blob
Format
Raw Data
Handle
21766168
Attached To
rLIBMULTISCALE LibMultiScale
units.cc
View Options
/**
* @file units.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date Wed Jul 02 16:25:38 2014
*
* @brief This is the units system of LM
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* LibMultiScale is free software: you can redistribute it and/or modify it
* under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* LibMultiScale 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with LibMultiScale. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "units.hh"
#include "lm_common.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
bool
UnitSystem
::
operator
==
(
UnitSystem
&
s
)
{
if
((
this
->
distance_standard
==
s
.
distance_standard
)
&&
(
this
->
mass_standard
==
s
.
mass_standard
)
&&
(
this
->
energy_standard
==
s
.
energy_standard
)
&&
(
this
->
time_standard
==
s
.
time_standard
)
&&
(
this
->
pressure_standard
==
s
.
pressure_standard
)
&&
(
this
->
temperature_standard
==
s
.
temperature_standard
))
return
true
;
else
return
false
;
}
/* -------------------------------------------------------------------------- */
bool
UnitSystem
::
operator
!=
(
UnitSystem
&
s
)
{
return
!
((
*
this
)
==
s
);
}
/* -------------------------------------------------------------------------- */
void
UnitSystem
::
init
()
{
velocity_standard
=
distance_standard
/
time_standard
;
acceleration_standard
=
velocity_standard
/
time_standard
;
force_standard
=
energy_standard
/
distance_standard
;
surface_standard
=
distance_standard
*
distance_standard
;
volume_standard
=
distance_standard
*
distance_standard
*
distance_standard
;
mass_density_standard
=
mass_standard
/
volume_standard
;
pressure_standard
=
force_standard
/
surface_standard
;
mvv2e
=
(
mass_standard
*
velocity_standard
*
velocity_standard
)
/
energy_standard
;
f_m2v_t
=
(
force_standard
/
mass_standard
)
/
acceleration_standard
;
ft_m2v
=
(
force_standard
*
time_standard
/
mass_standard
)
/
velocity_standard
;
mv_t2f
=
(
mass_standard
*
velocity_standard
/
time_standard
)
/
force_standard
;
kT2e
=
1
/
energy_standard
;
kT2fd
=
1
/
(
force_standard
*
distance_standard
);
m_tt2f_d
=
(
mass_standard
/
time_standard
/
time_standard
)
/
(
force_standard
/
distance_standard
);
e_dd2m_tt
=
(
energy_standard
/
distance_standard
/
distance_standard
)
/
(
mass_standard
/
time_standard
/
time_standard
);
e2fd
=
energy_standard
/
(
force_standard
*
distance_standard
);
e_m2dd_tt
=
(
energy_standard
/
mass_standard
)
/
(
distance_standard
/
time_standard
)
/
(
distance_standard
/
time_standard
);
fd2e
=
(
force_standard
*
distance_standard
)
/
energy_standard
;
// print();
}
/* -------------------------------------------------------------------------- */
void
UnitSystem
::
print
()
const
{
std
::
stringstream
sstr
;
this
->
printself
(
sstr
);
std
::
string
clown
=
sstr
.
str
();
DUMP
(
clown
,
DBG_MESSAGE
);
}
/* -------------------------------------------------------------------------- */
void
UnitSystem
::
printself
(
std
::
ostream
&
stream
,
int
indent
)
const
{
stream
<<
"[d] = "
<<
distance_standard
<<
" meters"
<<
std
::
endl
;
stream
<<
"[m] = "
<<
mass_standard
<<
" Kg"
<<
std
::
endl
;
stream
<<
"[e] = "
<<
energy_standard
<<
" Joules"
<<
std
::
endl
;
stream
<<
"[t] = "
<<
time_standard
<<
" seconds"
<<
std
::
endl
;
stream
<<
"[v] = "
<<
velocity_standard
<<
" meters per seconds"
<<
std
::
endl
;
stream
<<
"[a] = "
<<
acceleration_standard
<<
" meters per seconds^2"
<<
std
::
endl
;
stream
<<
"[f] = "
<<
force_standard
<<
" Newtons"
<<
std
::
endl
;
stream
<<
"[s] = "
<<
surface_standard
<<
" meter^2"
<<
std
::
endl
;
stream
<<
"[V] = "
<<
volume_standard
<<
" meter^3"
<<
std
::
endl
;
stream
<<
"[P] = "
<<
pressure_standard
<<
" Pascals"
<<
std
::
endl
;
stream
<<
"[rho] = "
<<
mass_density_standard
<<
" Kg per meter^3"
<<
std
::
endl
;
stream
<<
"mvv2e = "
<<
mvv2e
<<
std
::
endl
;
stream
<<
"f_m2v_t = "
<<
f_m2v_t
<<
std
::
endl
;
stream
<<
"ft_m2v = "
<<
ft_m2v
<<
std
::
endl
;
stream
<<
"mv_t2f = "
<<
mv_t2f
<<
std
::
endl
;
stream
<<
"kT2e = "
<<
kT2e
<<
std
::
endl
;
stream
<<
"kT2fd = "
<<
kT2fd
<<
std
::
endl
;
stream
<<
"m_tt2f_d = "
<<
m_tt2f_d
<<
std
::
endl
;
stream
<<
"fd2e = "
<<
fd2e
<<
std
::
endl
;
}
/* -------------------------------------------------------------------------- */
UnitSystem
setAtomicSystemUnits
()
{
UnitSystem
units
;
units
.
distance_standard
=
1e-10
;
units
.
mass_standard
=
g_mol2Kg
;
units
.
energy_standard
=
kcal_mol2Joule
;
units
.
time_standard
=
1e-15
;
units
.
temperature_standard
=
1.
;
units
.
init
();
return
units
;
}
/* -------------------------------------------------------------------------- */
UnitSystem
setRealSystemUnits
()
{
UnitSystem
units
;
units
.
distance_standard
=
1
;
units
.
mass_standard
=
1
;
units
.
energy_standard
=
1
;
units
.
time_standard
=
1
;
units
.
temperature_standard
=
1.
;
units
.
init
();
return
units
;
}
/* -------------------------------------------------------------------------- */
UnitSystem
setMetalSystemUnits
()
{
UnitSystem
units
;
units
.
distance_standard
=
1e-10
;
units
.
mass_standard
=
g_mol2Kg
;
units
.
energy_standard
=
eV2Joule
;
units
.
time_standard
=
1e-12
;
units
.
temperature_standard
=
1.
;
units
.
init
();
return
units
;
}
/* -------------------------------------------------------------------------- */
UnitSystem
atomic_unit_system
=
setAtomicSystemUnits
();
UnitSystem
real_unit_system
=
setRealSystemUnits
();
UnitSystem
metal_unit_system
=
setMetalSystemUnits
();
UnitSystem
code_unit_system
=
atomic_unit_system
;
/* -------------------------------------------------------------------------- */
__END_LIBMULTISCALE__
Event Timeline
Log In to Comment