fix broken links

doc/src/atom_style.rst

@@ -363,7 +363,7 @@ dissipative particle dynamics (mDPD), and transport dissipative particle
 dynamics (tDPD), respectively.
 
 The *sph* style is part of the SPH package for smoothed particle
-hydrodynamics (SPH).  See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_ to using SPH in LAMMPS.
+hydrodynamics (SPH).  See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_ to using SPH in LAMMPS.
 
 The *mesont* style is part of the MESONT package.
 

doc/src/compute_sph_e_atom.rst

@@ -30,7 +30,7 @@ The internal energy is the energy associated with the internal degrees
 of freedom of an SPH particle, i.e. a Smooth-Particle Hydrodynamics
 particle.
 
-See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
+See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
 LAMMPS.
 
 The value of the internal energy will be 0.0 for atoms not in the

doc/src/compute_sph_rho_atom.rst

@@ -29,7 +29,7 @@ atom in a group, i.e. a Smooth-Particle Hydrodynamics density.
 The SPH density is the mass density of an SPH particle, calculated by
 kernel function interpolation using "pair style sph/rhosum".
 
-See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
+See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
 LAMMPS.
 
 The value of the SPH density will be 0.0 for atoms not in the

doc/src/compute_sph_t_atom.rst

@@ -34,7 +34,7 @@ particles, i.e. a Smooth-Particle Hydrodynamics particle.
 
     T_{int} = E_{int} / C_{V,int}
 
-See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
+See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
 LAMMPS.
 
 The value of the internal energy will be 0.0 for atoms not in the

doc/src/fix_sph.rst

@@ -29,7 +29,7 @@ needed to time-integrate SPH systems where particles carry internal
 variables such as internal energy.  SPH stands for Smoothed Particle
 Hydrodynamics.
 
-See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
+See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
 LAMMPS.
 
 Restart, fix_modify, output, run start/stop, minimize info

doc/src/fix_sph_stationary.rst

@@ -29,7 +29,7 @@ This fix is needed for SPH simulations to correctly time-integrate
 fixed boundary particles which constrain a fluid to a given region in
 space.  SPH stands for Smoothed Particle Hydrodynamics.
 
-See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
+See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
 LAMMPS.
 
 Restart, fix_modify, output, run start/stop, minimize info

doc/src/pair_sph_heatconduction.rst

@@ -24,7 +24,7 @@ Description
 The sph/heatconduction style computes heat transport between SPH particles.
 The transport model is the diffusion equation for the internal energy.
 
-See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
+See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
 LAMMPS.
 
 The following coefficients must be defined for each pair of atoms

doc/src/pair_sph_idealgas.rst

@@ -33,7 +33,7 @@ the local density, and e is the internal energy per unit mass.  This
 pair style also computes Monaghan's artificial viscosity to prevent
 particles from interpenetrating :ref:`(Monaghan) <ideal-Monoghan>`.
 
-See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
+See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
 LAMMPS.
 
 The following coefficients must be defined for each pair of atoms

doc/src/pair_sph_lj.rst

@@ -28,7 +28,7 @@ epsilon and sigma are set to unity.  This pair style also computes
 Monaghan's artificial viscosity to prevent particles from
 interpenetrating :ref:`(Monaghan) <Monoghan>`.
 
-See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
+See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
 LAMMPS.
 
 The following coefficients must be defined for each pair of atoms

doc/src/pair_sph_rhosum.rst

@@ -26,7 +26,7 @@ Description
 The sph/rhosum style computes the local particle mass density rho for
 SPH particles by kernel function interpolation, every Nstep timesteps.
 
-See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
+See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
 LAMMPS.
 
 The following coefficients must be defined for each pair of atoms

doc/src/pair_sph_taitwater.rst

@@ -35,7 +35,7 @@ speed of sound.
 This pair style also computes Monaghan's artificial viscosity to
 prevent particles from interpenetrating :ref:`(Monaghan) <Monaghan>`.
 
-See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
+See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
 LAMMPS.
 
 The following coefficients must be defined for each pair of atoms

doc/src/pair_sph_taitwater_morris.rst

@@ -34,7 +34,7 @@ speed of sound.
 
 This pair style also computes laminar viscosity :ref:`(Morris) <Morris>`.
 
-See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
+See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_ to using SPH in
 LAMMPS.
 
 The following coefficients must be defined for each pair of atoms

doc/src/set.rst

@@ -441,7 +441,7 @@ command.  These keywords do not allow use of an atom-style variable.
 
 Keywords *sph/e*\ , *sph/cv*\ , and *sph/rho* set the energy, heat
 capacity, and density of smoothed particle hydrodynamics (SPH)
-particles.  See `this PDF guide <USER/sph/SPH_LAMMPS_userguide.pdf>`_
+particles.  See `this PDF guide <PDF/SPH_LAMMPS_userguide.pdf>`_
 to using SPH in LAMMPS.
 
 Keyword *smd/mass/density* sets the mass of all selected particles,