RIPPLE

RIPPLE: A Computer Program for Incompressible Flows with Free Surfaces. We present the RIPPLE computer program* for modeling transient, two-dimensional, incompressible fluid flows with surface tension on free surfaces of general topology. Finite difference solutions to the incompressible Navier-Stokes equations are obtained on an Eulerian, rectilinear mesh in Cartesian or cylindrical geometries. Free surfaces are represented with volume-of-fluid (VOF) data on the mesh. Surface tension is modeled as a volume force derived from the continuum surface force ( CSF) model. A two-step projection method is used for the incompressible fluid flow solutions, aided by an incomplete Cholesky conjugate gradient (ICCG) solution technique for the pressure Poisson equation (PPE). Momentum advection is estimated with the weakly monotonic, second order upwind method of van Leer. Flow obstacles and curved boundaries interior to the mesh are represented with a partial cell treatment. The improvements and enhancements of RIPPLE relative to its predecessor, NASA-VOF2D, have resulted in a versatile tool capable of modeling a wide range of applications, being especially suited for low-Bond number, low-Weber number, and low-Capillary number flows in which fluid accelerations are weak and fluid restoring forces (e.g., surface tensions) are strong. After a brief summary of the primary features of RIPPLE, we describe the model equations, the numerical method, and the structure of the computer program. Example calculations then illustrate the method’s properties, with instructions given on the use of the program


References in zbMATH (referenced in 57 articles , 1 standard article )

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  1. Ataei, Mohammadmehdi; Bussmann, Markus; Shaayegan, Vahid; Costa, Franco; Han, Sejin; Park, Chul B.: NPLIC: a machine learning approach to piecewise linear interface construction (2021)
  2. Han, Tian-Yang; Zhang, Jie; Tan, Hua; Ni, Ming-Jiu: A consistent and parallelized height function based scheme for applying contact angle to 3D volume-of-fluid simulations (2021)
  3. Salgado Sánchez, Pablo; Gaponenko, Y.; Yasnou, V.; Mialdun, A.; Porter, J.; Shevtsova, V.: Effect of initial interface orientation on patterns produced by vibrational forcing in microgravity (2020)
  4. Chakraborty, Bhaskar; Banerjee, Jyotirmay: A sharpness preserving scheme for interfacial flows (2016)
  5. Pathak, Ashish; Raessi, Mehdi: A 3D, fully Eulerian, VOF-based solver to study the interaction between two fluids and moving rigid bodies using the fictitious domain method (2016)
  6. Zhang, Di; Jiang, Chunbo; Liang, Dongfang; Chen, Zhengbing; Yang, Yan; Shi, Ying: A refined volume-of-fluid algorithm for capturing sharp fluid interfaces on arbitrary meshes (2014)
  7. Chung, Meng-Hsuan: An adaptive Cartesian cut-cell/level-set method to simulate incompressible two-phase flows with embedded moving solid boundaries (2013)
  8. Raessi, Mehdi; Pitsch, Heinz: Consistent mass and momentum transport for simulating incompressible interfacial flows with large density ratios using the level set method (2012)
  9. Yapalparvi, R.; Protas, B.: Computation of effective free surfaces in two phase flows (2012)
  10. Samiei, Ehsan; Shams, Mehrzad; Ebrahimi, Reza: A novel numerical scheme for the investigation of surface tension effects on growth and collapse stages of cavitation bubbles (2011)
  11. Marchetta, Jeffrey G.; Winter, Amanda P.: Simulation of magnetic positive positioning for space based fluid management systems (2010)
  12. Sitanggang, K. I.; Lynett, P. J.: Multi-scale simulation with a hybrid Boussinesq-RANS hydrodynamic model (2010)
  13. Afkhami, S.; Bussmann, M.: Height functions for applying contact angles to 3D VOF simulations (2009)
  14. Guo, H.; Hu, J.; Tsai, H. L.: Formation of weld crater in GMAW of aluminum alloys (2009)
  15. Lunati, Ivan; Or, Dani: Gravity-driven slug motion in capillary tubes (2009)
  16. Marchetta, Jeffrey G.; Roos, Kevin M.: Simulating magnetic positive positioning of cryogenic propellants in a transient acceleration field (2009)
  17. Park, I. R.; Kim, K. S.; Kim, J.; Van, S. H.: A volume-of-fluid method for incompressible free surface flows (2009)
  18. Raessi, M.; Bussmann, M.; Mostaghimi, J.: A semi-implicit finite volume implementation of the CSF method for treating surface tension in interfacial flows (2009)
  19. Xu, G.; Hu, J.; Tsai, H. L.: Three-dimensional modeling of arc plasma and metal transfer in gas metal arc welding (2009)
  20. Zhang, Qinghai; Liu, Philip L.-F.: HyPAM: A hybrid continuum-particle model for incompressible free-surface flows (2009)

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