Surface Tension and Contact Angle Calculation from Droplet Images
Spline-based Interface Modeling and Optimization (SIMO) is a GUI tool to compute surface tension and contact angle from the profiles of sessile and pendant drops of various sizes. The strategy employed in the tool models the profile using a vector-parameterized cubic spline, which is then evolved to the eventual equilibrium shape using a novel thermodynamic free-energy minimization-based iterative algorithm


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Jakhar, K., Chattopadhyay, A., Thakur, A., and Raj, R., Spline based shape prediction and analysis of uniformly rotating sessile and pendant droplets, (2017).
BibTeX
@article{jakhar2017spline, title={Spline based shape prediction and analysis of uniformly rotating sessile and pendant droplets}, author={Jakhar, Karan and Chattopadhyay, Ashesh and Thakur, Atul and Raj, Rishi}, journal={Langmuir}, volume={33}, number={22}, pages={5603--5612}, year={2017}, publisher={ACS Publications} } }
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Jakhar, K., Chattopadhyay, A., Thakur, A., and Raj, R., Spline-based Interface Modeling and Optimization (SIMO) for Surface Tension and Contact Angle Measurements, (2019).
BibTeX
@article{jakhar2019spline, title={Spline-based Interface Modeling and Optimization (SIMO) for Surface Tension and Contact Angle Measurements}, author={Jakhar, Karan and Chattopadhyay, Ashesh and Thakur, Atul and Raj, Rishi}, journal={arXiv preprint arXiv:1909.05943}, year={2019} } }