### Merge branch 'CleanupTMDocu' into 'master'

[doc/TM] Drop unused tags documentation.

See merge request ogs/ogs!3457
parents 4e0cd0af fa11ff2f
 Linear expansion changes in one dimension. \ No newline at end of file
 Reference solid density \f$\rho_{\rm SR0}\f$. The real solid's density (the density of the solid grains) is expressed as: \f[\rho_{\rm SR} = \frac{\rho_{\rm SR0}}{1 + 3 * \alpha_{\rm T} * \Delta T }\f] under the assumption of mechanically incompressible solid. The original Ansatz made is \f[\rho_{\rm SR} = \rho_{\rm SR0} {\rm exp} (-3 \alpha_{\rm T} \Delta T)\f] for large thermal strains. Once we linearize around \f$\Delta T = 0\f$ and truncate the Taylor series after the first member, the end result is the above formula \f$\rho_{\rm SR} = \rho_{\rm SR0} / ( 1 + 3 \alpha_{\rm T} \Delta T)\f$. One can also arrive at the result by assuming a linear volume strain from the start: \f$e = 3 \alpha_{\rm T} \Delta T\f$. The key assumption is that the solid density is independent of pressure, _i.e._: \f$\rho_{\rm SR} = \rho_{\rm SR}(T)\f$.
 Specific heat capacity is the heat capacity per unit mass of a material. \ No newline at end of file
 Thermal conductivity is the property of a material to conduct heat. \ No newline at end of file
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