The disadvantage of using physical property measurements in parameterization is that they are generally slow toĮvaluate, because computing a physical property with a force field requires you to run an equilibrium simulation with This is an important step of parameterization because it fits theĬritical LJ parameters and introduces macroscopic constraints that complement microscopic QM constraints. Typically liquid densities and heats of vaporization). Since the earliest days of force field science, LJ parameters have been fitted against physical property datasets ( It down! Lennard-Jones parameterization relies on physical properties This is a lot to parse in one sentence, so let’s break Working on the parameterization of Lennard-Jones models, one strategy I am exploring is using Bayesian inference toĮxplore parameter landscapes with respect to physical properties. In the Open Force Field Initiative, we are always looking for novel ways to advance force field parameterization.
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