fix png

ElectromechanicalRelay/infos.xml

@@ -5,7 +5,7 @@
 		<title>Electromechanical relay</title>
 		<summary>2D model of an electro-mechanical relay</summary>
 		<file type="pro">relay.pro</file>
-		<preview type="png">screenshot_relay_128.png</preview>
+		<preview type="png">infos.png</preview>
 		<url>https://gitlab.onelab.info/doc/models/wikis/Electromechanical-relay</url>
 	</model>
 </models>

Inductor/infos.xml

@@ -5,7 +5,7 @@
 		<title>Inductor</title>
 		<summary>2D and 3D model of an inductor/core system</summary>
 		<file type="pro">inductor.pro</file>
-		<preview type="png">screenshot_inductor_128.png</preview>
+		<preview type="png">infos.png</preview>
 		<url>https://gitlab.onelab.info/doc/models/wikis/Inductor</url>
 	</model>
 </models>

Magnetometer/Elasticity.pro

@@ -155,7 +155,7 @@ Formulation {
 	In Domain_Disp ; Jacobian Vol ; Integration GradGrad ; }
       Galerkin { DtDtDof [ rho[] * Dof{uy} , {uy} ];
 	In Domain_Disp ; Jacobian Vol ; Integration GradGrad ; }
-      Galerkin { DtDtDof [ rho[] * Dof{uy} , {uy} ];
+      Galerkin { DtDtDof [ rho[] * Dof{uz} , {uz} ];
 	In Domain_Disp ; Jacobian Vol ; Integration GradGrad ; }
 
       Galerkin { [ - CompX[ -sigma[] * {d v} /\ bext[] ] , {ux} ] ;

Magnets/infos.xml

@@ -5,7 +5,7 @@
 		<title>Magnets</title>
 		<summary>3D force computation of a collection of magnets</summary>
 		<file type="pro">magnets.pro</file>
-		<preview type="png">screenshot_magnets_128.png</preview>
+		<preview type="png">infos.png</preview>
 		<url>https://gitlab.onelab.info/doc/models/wikis/Magnets</url>
 	</model>
 </models>

Superconductors/infos.xml

@@ -5,7 +5,7 @@
 		<title>Superconducting wire</title>
 		<summary>2D and 3D H-formulation of HTS with nonlinear power law</summary>
 		<file type="pro">helix.pro</file>
-		<preview type="png">screenshot_helix_128.png</preview>
+		<preview type="png">infos.png</preview>
 		<url>https://gitlab.onelab.info/doc/models/wikis/Superconductors</url>
 	</model>
 </models>