All Outputs (89)

The diffuse solid method for wetting and multiphase fluid simulations in complex geometries (2025)
Journal Article
Oktasendra, F., Rennick, M., Avis, S. J., Panter, J. R., & Kusumaatmaja, H. (2025). The diffuse solid method for wetting and multiphase fluid simulations in complex geometries. Physics of Fluids, 37(5), Article 052103. https://doi.org/10.1063/5.0267171

We develop a diffuse solid method that is versatile and accurate for modeling wetting and multiphase flows in highly complex geometries. In this scheme, we harness N + 1 -component phase field models to investigate interface shapes and flow dynamics... Read More about The diffuse solid method for wetting and multiphase fluid simulations in complex geometries.

Integrating quantum algorithms into classical frameworks: a predictor–corrector approach using HHL (2025)
Journal Article
Rathore, O., Basden, A., Chancellor, N., & Kusumaatmaja, H. (2025). Integrating quantum algorithms into classical frameworks: a predictor–corrector approach using HHL. Quantum Science and Technology, 10(2), Article 025041. https://doi.org/10.1088/2058-9565/adbb14

The application of quantum algorithms to classical problems is generally accompanied by significant bottlenecks when transferring data between quantum and classical states, often negating any intrinsic quantum advantage. Here we address this challeng... Read More about Integrating quantum algorithms into classical frameworks: a predictor–corrector approach using HHL.

Load balancing for high performance computing using quantum annealing (2025)
Journal Article
Rathore, O., Basden, A., Chancellor, N., & Kusumaatmaja, H. (2025). Load balancing for high performance computing using quantum annealing. Physical Review Research, 7(1), Article 013067. https://doi.org/10.1103/PhysRevResearch.7.013067

With the advent of exascale computing, effective load balancing in massively parallel software applications is critically important for leveraging the full potential of high-performance computing systems. Load balancing is the distribution of computa... Read More about Load balancing for high performance computing using quantum annealing.

Nanoparticle adhesion at liquid interfaces (2024)
Journal Article
Sun, K., Gizaw, Y., Kusumaatmaja, H., & Voïtchovsky, K. (2025). Nanoparticle adhesion at liquid interfaces. Soft Matter, 21(4), 585-595. https://doi.org/10.1039/d4sm01101e

Nanoparticle adhesion at liquid interfaces plays an important role in drug delivery, dust removal, the adsorption of aerosols, and controlled self-assembly. However, quantitative measurements of capillary interactions at the nanoscale are challenging... Read More about Nanoparticle adhesion at liquid interfaces.

Direct visualization of viscous dissipation and wetting ridge geometry on lubricant-infused surfaces (2024)
Journal Article
Naga, A., Rennick, M., Hauer, L., Wong, W. S. Y., Sharifi-Aghili, A., Vollmer, D., & Kusumaatmaja, H. (2024). Direct visualization of viscous dissipation and wetting ridge geometry on lubricant-infused surfaces. Communications Physics, 7(1), Article 306. https://doi.org/10.1038/s42005-024-01795-3

Drops are exceptionally mobile on lubricant-infused surfaces, yet they exhibit fundamentally different dynamics than on traditional superhydrophobic surfaces due to the formation of a wetting ridge around the drop. Despite the importance of the wetti... Read More about Direct visualization of viscous dissipation and wetting ridge geometry on lubricant-infused surfaces.

Finding Transition State and Minimum Energy Path of Bistable Elastic Continua through Energy Landscape Explorations (2024)
Journal Article
Wan, G., Avis, S. J., Wang, Z., Wang, X., Kusumaatmaja, H., & Zhang, T. (2024). Finding Transition State and Minimum Energy Path of Bistable Elastic Continua through Energy Landscape Explorations. Journal of the Mechanics and Physics of Solids, 183, Article 105503. https://doi.org/10.1016/j.jmps.2023.105503

Mechanical bistable structures have two stable equilibria and can transit between them under external stimuli. Due to their unique behaviors such as snap-through and substantial shape changes, bistable structures exhibit unprecedented properties comp... Read More about Finding Transition State and Minimum Energy Path of Bistable Elastic Continua through Energy Landscape Explorations.

Droplet Self-Propulsion on Slippery Liquid-Infused Surfaces with Dual-Lubricant Wedge-Shaped Wettability Patterns (2023)
Journal Article
Pelizzari, M., McHale, G., Armstrong, S., Zhao, H., Ledesma-Aguilar, R., Wells, G. G., …Wells, G. G. (2023). Droplet Self-Propulsion on Slippery Liquid-Infused Surfaces with Dual-Lubricant Wedge-Shaped Wettability Patterns. Langmuir, 39(44), 15676-15689. https://doi.org/10.1021/acs.langmuir.3c02205

Young’s equation is fundamental to the concept of the wettability of a solid surface. It defines the contact angle for a droplet on a solid surface through a local equilibrium at the three-phase contact line. Recently, the concept of a liquid Young’s... Read More about Droplet Self-Propulsion on Slippery Liquid-Infused Surfaces with Dual-Lubricant Wedge-Shaped Wettability Patterns.

Bubble Formation in Magma (2023)
Journal Article
Gardner, J. E., Wadsworth, F. B., Carley, T. L., Llewellin, E. W., Kusumaatmaja, H., & Sahagian, D. (2023). Bubble Formation in Magma. Annual Review of Earth and Planetary Sciences, 51(1), 131-154. https://doi.org/10.1146/annurev-earth-031621-080308

Volcanic eruptions are driven by bubbles that form when volatile species exsolve from magma. The conditions under which bubbles form depend mainly on magma composition, volatile concentration, presence of crystals, and magma decompression rate. These... Read More about Bubble Formation in Magma.

Phase field simulation of liquid filling on grooved surfaces for complete, partial, and pseudo-partial wetting cases (2023)
Journal Article
Oktasendra, F., Jusufi, A., Konicek, A. R., Yeganeh, M. S., Panter, J. R., & Kusumaatmaja, H. (2023). Phase field simulation of liquid filling on grooved surfaces for complete, partial, and pseudo-partial wetting cases. The Journal of Chemical Physics, 158(20), https://doi.org/10.1063/5.0144886

We develop and harness a phase field simulation method to study liquid filling on grooved surfaces. We consider both short-range and long-range liquid–solid interactions, with the latter including purely attractive and repulsive interactions as well... Read More about Phase field simulation of liquid filling on grooved surfaces for complete, partial, and pseudo-partial wetting cases.

A bending rigidity parameter for stress granule condensates (2023)
Journal Article
Law, J. O., Jones, C. M., Stevenson, T., Williamson, T. A., Turner, M. S., Kusumaatmaja, H., & Grellscheid, S. N. (2023). A bending rigidity parameter for stress granule condensates. Science Advances, 9(20), https://doi.org/10.1126/sciadv.adg0432

Interfacial tension plays an important role in governing the dynamics of droplet coalescence and determining how condensates interact with and deform lipid membranes and biological filaments. We demonstrate that an interfacial tension-only model is i... Read More about A bending rigidity parameter for stress granule condensates.

Rough capillary rise (2023)
Journal Article
Panter, J. R., Konicek, A. R., King, M. A., Jusufi, A., Yeganeh, M. S., & Kusumaatmaja, H. (2023). Rough capillary rise. Communications Physics, 6, Article 44. https://doi.org/10.1038/s42005-023-01160-w

Capillary rise within rough structures is a wetting phenomenon that is fundamental to survival in biological organisms, deterioration of our built environment, and performance of numerous innovations, from 3D microfluidics to carbon capture. Here, to... Read More about Rough capillary rise.

Three-dimensional printed liquid diodes with tunable velocity: Design guidelines and applications for liquid collection and transport (2022)
Journal Article
Sammartino, C., Rennick, M., Kusumaatmaja, H., & Pinchasik, B.-E. (2022). Three-dimensional printed liquid diodes with tunable velocity: Design guidelines and applications for liquid collection and transport. Physics of Fluids, 34(11), https://doi.org/10.1063/5.0122281

Directional and self-propelled flow in open channels has a variety of applications, including microfluidic and medical devices, industrial filtration processes, fog-harvesting, and condensing apparatuses. Here, we present versatile three-dimensional-... Read More about Three-dimensional printed liquid diodes with tunable velocity: Design guidelines and applications for liquid collection and transport.

Modeling the dynamics of partially wetting droplets on fibers (2022)
Journal Article
Christianto, R., Rahmawan, Y., Semprebon, C., & Kusumaatmaja, H. (2022). Modeling the dynamics of partially wetting droplets on fibers. Physical Review Fluids, 7(10), Article 103606. https://doi.org/10.1103/physrevfluids.7.103606

We simulate gravity-driven dynamics of partially wetting droplets moving along a fiber using the lattice Boltzmann method. For the so-called clamshell morphology, we find three possible dynamic regimes upon varying the droplet Bond number and the fib... Read More about Modeling the dynamics of partially wetting droplets on fibers.

A robust and memory-efficient transition state search method for complex energy landscapes (2022)
Journal Article
Avis, S. J., Panter, J. R., & Kusumaatmaja, H. (2022). A robust and memory-efficient transition state search method for complex energy landscapes. The Journal of Chemical Physics, 157(12), Article 124107. https://doi.org/10.1063/5.0102145

Locating transition states is crucial for investigating transition mechanisms in wide-ranging phenomena, from atomistic to macroscale systems. Existing methods, however, can struggle in problems with a large number of degrees of freedom, on-the-fly a... Read More about A robust and memory-efficient transition state search method for complex energy landscapes.

A minimal model of elastic instabilities in biological filament bundles (2022)
Journal Article
Panter, J., Kusumaatmaja, H., & Prior, C. (2022). A minimal model of elastic instabilities in biological filament bundles. Journal of the Royal Society. Interface, 19(194), Article 20220287. https://doi.org/10.1098/rsif.2022.0287

We present a model of a system of elastic fibres which exhibits complex, coupled, nonlinear deformations via a connecting elastic spring network. This model can capture physically observed deformations such as global buckling, pinching and internal c... Read More about A minimal model of elastic instabilities in biological filament bundles.

Spontaneous phase separation of ternary fluid mixtures (2022)
Journal Article
Shek, A. C., & Kusumaatmaja, H. (2022). Spontaneous phase separation of ternary fluid mixtures. Soft Matter, 18(31), 5807-5814. https://doi.org/10.1039/d2sm00413e

We computationally study the spontaneous phase separation of ternary fluid mixtures using the lattice Boltzmann method both when all the surface tensions are equal and when they have different values. To rationalise the phase diagram of possible phas... Read More about Spontaneous phase separation of ternary fluid mixtures.

Systematic characterization of effect of flow rates and buffer compositions on double emulsion droplet volumes and stability (2022)
Journal Article
Calhoun, S. G., Brower, K. K., Suja, V. C., Kim, G., Wang, N., McCully, A. L., Kusumaatmaja, H., Fuller, G. G., & Fordyce, P. M. (2022). Systematic characterization of effect of flow rates and buffer compositions on double emulsion droplet volumes and stability. Lab on a Chip, 22(12), https://doi.org/10.1039/d2lc00229a

Double emulsion droplets (DEs) are water/oil/water droplets that can be sorted via fluorescence-activated cell sorting (FACS), allowing for new opportunities in high-throughput cellular analysis, enzymatic screening, and synthetic biology. These appl... Read More about Systematic characterization of effect of flow rates and buffer compositions on double emulsion droplet volumes and stability.

Development of a setup to characterize capillary liquid bridges between liquid infused surfaces (2022)
Journal Article
Goodband, S. J., Kusumaatmaja, H., & Voïtchovsky, K. (2022). Development of a setup to characterize capillary liquid bridges between liquid infused surfaces. AIP Advances, 12(1), Article 015120. https://doi.org/10.1063/5.0072548

Capillary liquid bridges are ubiquitous in nature and are present in many industrial processes. In order to model their behavior, it is essential to develop suitable experimental tools that are able to characterize the bridges’ geometry and the assoc... Read More about Development of a setup to characterize capillary liquid bridges between liquid infused surfaces.

Tailoring the multistability of origami-inspired, buckled magnetic structures via compression and creasing (2021)
Journal Article
Li, Y., Avis, S. J., Zhang, T., Kusumaatmaja, H., & Wang, X. (2021). Tailoring the multistability of origami-inspired, buckled magnetic structures via compression and creasing. Materials Horizons, 8(12), 3324-3333. https://doi.org/10.1039/d1mh01152a

Origami-inspired multistable structures are gaining increasing interest because of their potential applications in fields ranging from deployable structures to reconfigurable microelectronics. The multistability of such structures is critical for the... Read More about Tailoring the multistability of origami-inspired, buckled magnetic structures via compression and creasing.

Wetting of phase-separated droplets on plant vacuole membranes leads to a competition between tonoplast budding and nanotube formation (2021)
Journal Article
Kusumaatmaja, H., May, A. I., Feeney, M., McKenna, J. F., Mizushima, N., Frigerio, L., & Knorr, R. L. (2021). Wetting of phase-separated droplets on plant vacuole membranes leads to a competition between tonoplast budding and nanotube formation. Proceedings of the National Academy of Sciences, 118(36), Article e2024109118. https://doi.org/10.1073/pnas.2024109118

Seeds of dicotyledonous plants store proteins in dedicated membrane-bounded organelles called protein storage vacuoles (PSVs). Formed during seed development through morphological and functional reconfiguration of lytic vacuoles in embryos [M. Feeney... Read More about Wetting of phase-separated droplets on plant vacuole membranes leads to a competition between tonoplast budding and nanotube formation.