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yayanoba新蟲 (小有名氣)
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[求助]
用phonopy計(jì)算聲子譜已得到FORCE_SETS,之后我怎么得到聲子譜?
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本人第一次算聲子譜,很多地方都不太懂。我用的是vasp+phonopy,我根據(jù)手冊上說的已經(jīng)算得到了FORCE_SETS,然后我想得出聲子譜圖,F(xiàn)在不知道應(yīng)該怎么做,看到論壇上有人說計(jì)算聲子譜和計(jì)算聲子能帶本質(zhì)是一樣的,因此我嘗試算了一下其聲子能帶,卻在運(yùn)行 phonopy -p band.conf后得到以下結(jié)果,能麻煩幫我看看是什么錯(cuò)誤嗎? Band structure mode Settings: Supercell: [2 2 2] Spacegroup: Pbnm (62) Calculating force constants... Paths in reciprocal reduced coordinates: [ 0.00 0.00 0.00] --> [ 0.50 0.00 0.50] [ 0.50 0.50 1.00] --> [-0.00 -0.00 -0.00] [ 0.00 0.00 0.00] --> [ 0.50 0.50 0.50] Traceback (most recent call last): File "/data/program/phonopy/bin/phonopy", line 780, in plot = phonon.plot_band_structure(settings.get_band_labels()) File "/data/program/phonopy/lib/python/phonopy/__init__.py", line 400, in plot_band_structure return self._band_structure.plot_band(symbols) File "/data/program/phonopy/lib/python/phonopy/phonon/band_structure.py", line 87, in plot_band plt.plot(distances, freqs, 'r-') File "/usr/lib/pymodules/python2.6/matplotlib/pyplot.py", line 2134, in plot ax = gca() File "/usr/lib/pymodules/python2.6/matplotlib/pyplot.py", line 582, in gca ax = gcf().gca(**kwargs) File "/usr/lib/pymodules/python2.6/matplotlib/pyplot.py", line 276, in gcf return figure() File "/usr/lib/pymodules/python2.6/matplotlib/pyplot.py", line 254, in figure **kwargs) File "/usr/lib/pymodules/python2.6/matplotlib/backends/backend_tkagg.py", line 90, in new_figure_manager window = Tk.Tk() File "/usr/lib/python2.6/lib-tk/Tkinter.py", line 1646, in __init__ self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use) _tkinter.TclError: no display name and no $DISPLAY environment variable 求牛人相助啊··淚流滿面。。小的已經(jīng)磨了好多天都沒弄出來了。謝謝大俠相助。。。 |
新蟲 (小有名氣)
木蟲 (著名寫手)

至尊木蟲 (職業(yè)作家)
至尊木蟲 (職業(yè)作家)
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