added particle current time function

src/lagrangian/basic/Particle/Particle.H

@@ -365,6 +365,9 @@ public:
             //- Return the impact model to be used, soft or hard (default).
             inline bool softImpact() const;
 
+            //- Return the particle current time
+            inline scalar currentTime() const;
+
 
         // Check
 

src/lagrangian/basic/Particle/ParticleI.H

@@ -345,6 +345,15 @@ inline bool Particle<ParticleType>::softImpact() const
 }
 
 
+template<class ParticleType>
+inline scalar Particle<ParticleType>::currentTime() const
+{
+    return
+        cloud_.pMesh().time().value()
+      + stepFraction_*cloud_.pMesh().time().deltaT().value();
+}
+
+
 template<class ParticleType>
 inline label Particle<ParticleType>::patch(const label facei) const
 {