Example #1
0
File: nmd.py Project: csgorham/ntpy
omega = np.zeros( (numFreq) )
omega = np.arange(numFreq) * (freqMax / numFreq)

## Create lammps position file ##
mylamp = lt.Lammps(inPosName)
myBox = lt.Block([ljLat, ljLat, ljLat], latType, dim, atom_mass = [ljMass])
mylamp.buildLammps([myBox])
latPos = lt.buildNumpy([myBox])

## Lattice properties
numAtomsUC = myBox.numAtomsUcell()
numUcell = myBox.numUcell()
numAtoms = myBox.numAtoms()
Lx = myBox.Lx()
Ly = myBox.Ly()
Lz = myBox.Lz()
numModes = 3 * numAtomsUC

## Create kpoints
kpt = lt.kpt(dim, conv=True)
kptIndex = np.zeros( (kpt[:,0].size) )
kptIndex = range(kpt[:,0].size)

# Other kpoint parameters
numKpts = kpt[:,0].size
sliceLength = kpt[:,0].size / numKslice

# Create the irreducible k-point list
irrKpt, irrKptCnt, degen = lt.cubicKptSym(kpt)

Example #2
0
            # # Create volume
            latType = "fcc"
            ljLat = ((lj.value("lat" + str(rTemps[itemp])) / lj.value("sigma")) * 1e-10) * (1.0 + sNum)
            myBox = lt.Block([ljLat, ljLat, ljLat], latType, [zNum, zNum, zNum])
            Lx = myBox.Lx()
            Ly = myBox.Ly()
            Lz = myBox.Lz()
            numAtomsUC = myBox.numAtomsUcell()
            numModes = 3 * numAtomsUC
            V = (Lx * Ly * Lz) * (1.0 * lj.value("sigma") ** 3)

            # # Extract Data
            pathName = basePathName + tStr + "/" + sStr + "/" + zStr + "/"
            jobName = pathName + fileData
            kpt, freq, freqShiftQ, lifeQ, freqShiftC, lifeC, vg = aldLife(jobName)
            rKpt = lt.kpt([zNum, zNum, zNum], conv=True)

            # EigenVectors
            jobName = pathName + fileEigVec
            eigVec = aldEigVec(jobName)

            newKpt, newFreq, newLife, newVel, newEigVec = joeTrans(kpt, rKpt * zNum, freq, lifeC, vg, eigVec, numModes)

            # # Extract Conductivity
            pathName = basePathName + tStr + "/" + sStr + "/" + zStr + "/"
            jobName = pathName + fileCond
            qCond, cCond = aldThermCond(jobName)

            tmpKappa[itemp, istrain, isize] = cCond[0]

            # # Save Data