Can we use the same mesh generated for RANS to do LES or DES simulations? What are the best prectices in this regard?

Hi everyone, I'd love to get some advice and insights from this awesome community! I'm working on a project that involves simulating respiratory flows, specifically focusing on the dispersion of aerosols and droplets generated during breathing. To achieve realistic predictions, I've been exploring the use of the icoUncoupledKinematicParcelFoam solver in OpenFOAM. The goal is to model the flow of particle dynamics, how these respiratory particles evaporate, and how humidity impacts them. Given the nature of these flows, a pressure-based solver seems appropriate, and icoUncoupledKinematicParcelFoam offers a good starting point. However, this solver needs several enhancements to capture the physics of respiratory flow evaporation accurately. Unlike the reactingParcelFoam solver, which is a density-based solver. Have any of you worked on similar projects or have experience with modifying solvers to incorporate phase-changing models? Any tips, tricks, or resources you could share would be fantastic. Also, if you have thoughts, I would love to hear them. Thank you so much for taking the time to read this. Looking forward to learning from you all!

Hi everybody! Happy to have you all here and very excited to kick-start a long journey of mentorship and growth with all of you. To help get to know each other and break the shyness, take a moment to introduce yourself below and let others know what you're currently working on (CFD or in general). ** Please make sure you have carefully read this post and participated in this poll [takes 5 seconds] Let's go!