<div dir="auto"><div>Live by the computer, die by the computer.</div><div dir="auto"><br></div><div dir="auto">If you treat IRelast as a black box that will give you "truth", then things can go wrong -- obviously they have!</div><div dir="auto"><br></div><div dir="auto">What you need to do is look at the numbers for the energy versus strain yourself. Plot them -- do they look sensible or not? Use something like Excel to fit a polynomial, or one of many simple softwares. If you have odd values, did one of them not converge or something else -- check that directory.</div><div dir="auto"><br></div><div dir="auto">The most important computer to use is the one above your eyes. Never assume that software is better than your brain; sometimes it is, often not.<br><br><div data-smartmail="gmail_signature" dir="auto">---<br>Professor Laurence Marks<br>Department of Materials Science and Engineering<br>Northwestern University<br><a href="http://www.numis.northwestern.edu">www.numis.northwestern.edu</a><br>"Research is to see what everybody else has seen, and to think what nobody else has thought" Albert Szent-Györgyi</div><br><div class="gmail_quote" dir="auto"><div dir="ltr" class="gmail_attr">On Thu, Sep 8, 2022, 10:33 AM AJAY SINGH VERMA <<a href="mailto:ajay_phy@hotmail.com">ajay_phy@hotmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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Dear all,</div>
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While running C_ana_elast_lapw for my compound, I am getting following error given below in order of fit 4. Result for order 2 and 3 is being shown properly. Output order file has been attached.<br>
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Kindly help.<br>
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ORDER OF FIT IS : 4 , At volume = 2365.41197 (bohr^3) ########
<div>(c11-c12) = 175.946 (GPa)</div>
<div>(c11+2c12) = -0.091 (GPa)</div>
<div>(c44) = 1.175 (GPa)</div>
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<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
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<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>(standard_in) 1: syntax error</div>
<div>c11 = 117.267 (GPa)</div>
<div>c12 = -58.679 (GPa)</div>
<div>c44 = 1.175 (GPa)</div>
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<div>Prediction VOIGT Bulk modulus by using elastic constant values = -.030 (GPa)</div>
<div>Prediction REUSS Bulk modulus by using elastic constant values = (GPa)</div>
<div>Prediction HILL Bulk modulus by using elastic constant values = (GPa)</div>
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<div>Prediction VOIGT Shear modulus by using elastic constant values = 35.894 (GPa)</div>
<div>Prediction REUSS Shear modulus by using elastic constant values = (GPa)</div>
<div>Prediction HILL Shear modulus by using elastic constant values = (GPa)</div>
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<div>Prediction VOIGT Young modulus by using elastic constant values = -.270 (GPa)</div>
<div>Prediction REUSS Young modulus by using elastic constant values = (GPa)</div>
<div>Prediction HILL Young modulus by using elastic constant values = (GPa)</div>
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<div>Prediction VOIGT Poisson's coefficient by using elastic constant values = -1.003
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<div>Prediction REUSS Poisson's coefficient by using elastic constant values = </div>
<div>Prediction HILL Poisson's coefficient by using elastic constant values = <br>
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<div>You can find these data in the output-order file.<br>
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<div>Thanks and Regards.<br>
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