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-rw-r--r--src/InitialData.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/InitialData.c b/src/InitialData.c
index 196b567..1ecc970 100644
--- a/src/InitialData.c
+++ b/src/InitialData.c
@@ -97,8 +97,12 @@ void IDScalarWaveC_InitialData(CCTK_ARGUMENTS)
R = sqrt(X*X + Y*Y + Z*Z);
phi[index] = amplitude*exp( - sqr( (R - radius) / sigma ) );
- phi_p[index] = amplitude*exp( - sqr( (R - radius - dt) / sigma ) );
+ phi_p[index] = amplitude/2.0*(R-dt)/R*
+ exp( - sqr( (R - radius - dt)/ sigma ) )
+ + amplitude/2.0*(R+dt)/R*
+ exp( - sqr( (R - radius + dt)/ sigma ) )
+ ;
}
}
}