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Research Output 2005 2019

2019

Acid-Triggered, Acid-Generating, and Self-Amplifying Degradable Polymers

Miller, K. A., Morado, E. G., Samanta, S. R., Walker, B. A., Nelson, A. Z., Sen, S., Tran, D. T., Whitaker, D. J., Ewoldt, R. H., Braun, P. V. & Zimmerman, S. C., Feb 20 2019, In : Journal of the American Chemical Society. 141, 7, p. 2838-2842 5 p.

Research output: Contribution to journalArticle

Polymers
polymer
Acrolein
Degradation
Acetals

Designing and transforming yield-stress fluids

Nelson, A. Z., Schweizer, K. S., Rauzan, B. M., Nuzzo, R. G., Vermant, J. & Ewoldt, R. H., Oct 2019, In : Current Opinion in Solid State and Materials Science. 23, 5, 100758.

Research output: Contribution to journalArticle

Yield stress
Fluids
Functional materials
Materials science
Printing

Linear and nonlinear rheology and structural relaxation in dense glassy and jammed soft repulsive pNIPAM microgel suspensions

Ghosh, A., Chaudhary, G., Kang, J. G., Braun, P. V., Ewoldt, R. H. & Schweizer, K. S., Jan 1 2019, In : Soft Matter. 15, 5, p. 1038-1052 15 p.

Research output: Contribution to journalArticle

Structural relaxation
Rheology
rheology
Suspensions
Elastic moduli

Low Reynolds number friction reduction with polymers and textures

Schuh, J. K. & Ewoldt, R. H., Nov 2019, In : Journal of Non-Newtonian Fluid Mechanics. 273, 104167.

Research output: Contribution to journalArticle

friction reduction
Low Reynolds number
low Reynolds number
Texture
Friction

Modulating Noncovalent Cross-links with Molecular Switches

Epstein, E. S., Martinetti, L., Kollarigowda, R. H., Carey-De La Torre, O., Moore, J. S., Ewoldt, R. H. & Braun, P. V., Feb 27 2019, In : Journal of the American Chemical Society. 141, 8, p. 3597-3604 8 p.

Research output: Contribution to journalArticle

polymer
Metals
Switches
Metal ions
Polymers

On fitting data for parameter estimates: residual weighting and data representation

Singh, P. K., Soulages, J. M. & Ewoldt, R. H., Jul 1 2019, In : Rheologica Acta. 58, 6-7, p. 341-359 19 p.

Research output: Contribution to journalArticle

Inverse problems
inference
estimates

Simultaneous design of non-Newtonian lubricant and surface texture using surrogate-based multiobjective optimization

Lee, Y. H., Schuh, J. K., Ewoldt, R. H. & Allison, J., Jul 15 2019, In : Structural and Multidisciplinary Optimization. 60, 1, p. 99-116 18 p.

Research output: Contribution to journalArticle

Surface Texture
Multiobjective optimization
Multi-objective Optimization
Lubricants
Textures

Thermoresponsive Stiffening with Microgel Particles in a Semiflexible Fibrin Network

Chaudhary, G., Ghosh, A., Bharadwaj, N. A., Kang, J. G., Braun, P. V., Schweizer, K. S. & Ewoldt, R. H., Apr 23 2019, In : Macromolecules. 52, 8, p. 3029-3041 13 p.

Research output: Contribution to journalArticle

Fibrin
Composite materials
Temperature
Biopolymers
Suspensions

Time-strain separability in medium-amplitude oscillatory shear

Martinetti, L. & Ewoldt, R. H., Feb 1 2019, In : Physics of fluids. 31, 2, 021213.

Research output: Contribution to journalArticle

shear
Liquids
liquids
signatures
moments

Uncertainty propagation in simulation predictions of generalized Newtonian fluid flows

Kim, J., Singh, P. K., Freund, J. & Ewoldt, R. H., Sep 2019, In : Journal of Non-Newtonian Fluid Mechanics. 271, 104138.

Research output: Contribution to journalArticle

Uncertainty Propagation
Newtonian fluids
Newtonian Fluid
fluid flow
Fluid Flow

Unravelling hagfish slime

Chaudhary, G., Ewoldt, R. H. & Thiffeault, J. L., Jan 1 2019, In : Journal of the Royal Society Interface. 16, 150, 20180710.

Research output: Contribution to journalArticle

Hagfishes
Peeling
Drag
Hydrodynamics
Mouth

Vibration of fresh concrete understood through the paradigm of granular physics

Koch, J. A., Castaneda, D. I., Ewoldt, R. H. & Lange, D. A., Jan 2019, In : Cement and Concrete Research. 115, p. 31-42 12 p.

Research output: Contribution to journalArticle

Yield stress
Physics
Concretes
Fluids
Suspensions
2018

Attitude control system complexity reduction via tailored viscoelastic damping co-design

Lin, C., Herber, D. R., Vedant, V., Lee, Y. H., Ghosh, A. R. M., Ewoldt, R. H. & Allison, J., Jan 1 2018, Guidance, navigation, and control, 2018. Walker, C. A. H. (ed.). Univelt Inc., p. 731-743 13 p. (Advances in the Astronautical Sciences; vol. 164).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

viscoelastic damping
attitude control
Attitude control
solar arrays
damping

Concentration-independent mechanics and structure of hagfish slime

Chaudhary, G., Fudge, D. S., Macias-Rodriguez, B. & Ewoldt, R. H., Oct 1 2018, In : Acta Biomaterialia. 79, p. 123-134 12 p.

Research output: Contribution to journalArticle

Hagfishes
Mechanics
Gels
Seawater
Fractals

Continuous relaxation spectra for constitutive models in medium-amplitude oscillatory shear

Martinetti, L., Soulages, J. M. & Ewoldt, R. H., Sep 1 2018, In : Journal of Rheology. 62, 5, p. 1271-1298 28 p.

Research output: Contribution to journalReview article

Constitutive models
Relaxation time
Sodium borate
shear
relaxation time

Correction to: Nonlinear viscoelasticity of fat crystal networks (Rheologica Acta, (2018), 57, 3, (251-266), 10.1007/s00397-018-1072-1)

Macias-Rodriguez, B. A., Ewoldt, R. H. & Marangoni, A. G., Apr 1 2018, In : Rheologica Acta. 57, 4, 1 p.

Research output: Contribution to journalComment/debate

viscoelasticity
Viscoelasticity
fats
Oils and fats
dissipation

Dynamic Remodeling of Covalent Networks via Ring-Opening Metathesis Polymerization

Liu, H., Nelson, A. Z., Ren, Y., Yang, K., Ewoldt, R. H. & Moore, J. S., Aug 21 2018, In : ACS Macro Letters. 7, 8, p. 933-937 5 p.

Research output: Contribution to journalArticle

Ring opening polymerization
Polymers
Monomers
Cyclopentanes
Transesterification

Extending yield-stress fluid paradigms

Nelson, A. Z., Bras, R. E., Liu, J. & Ewoldt, R. H., Jan 1 2018, In : Journal of Rheology. 62, 1, p. 357-369 13 p.

Research output: Contribution to journalArticle

Yield stress
Fluids
fluids
Suspensions
mastication

Field sensitivity of flow predictions to rheological parameters

Freund, J. B., Kim, J. & Ewoldt, R. H., Jul 2018, In : Journal of Non-Newtonian Fluid Mechanics. 257, p. 71-82 12 p.

Research output: Contribution to journalArticle

Fluid
Fluids
Prediction
fluids
predictions
Sodium borate
nonlinearity
Rheometers
shear
Rheology

Frequency-sweep medium-amplitude oscillatory shear (MAOS)

Singh, P. K., Soulages, J. M. & Ewoldt, R. H., Jan 1 2018, In : Journal of Rheology. 62, 1, p. 277-293 17 p.

Research output: Contribution to journalArticle

sweep frequency
shear
Polyvinyl Alcohol
Sodium borate
Hydrogel

Inferring the Nonlinear Mechanisms of a Reversible Network

Martinetti, L., Carey-De La Torre, O., Schweizer, K. S. & Ewoldt, R. H., Nov 13 2018, In : Macromolecules. 51, 21, p. 8772-8789 18 p.

Research output: Contribution to journalArticle

Sodium borate
Active networks
Circuit theory
Chemical analysis
Polymers

Mechanically active materials in three-dimensional mesostructures

Ning, X., Yu, X., Wang, H., Sun, R., Corman, R. E., Li, H., Lee, C. M., Xue, Y., Chempakasseril, A., Yao, Y., Zhang, Z., Luan, H., Wang, Z., Xia, W., Feng, X., Ewoldt, R. H., Huang, Y., Zhang, Y. & Rogers, J. A., Sep 14 2018, In : Science Advances. 4, 9, eaat8313.

Research output: Contribution to journalArticle

Tissue Scaffolds
Harvesters
Energy harvesting
MEMS
Buckling

Modulation of the Electrochemical Reactivity of Solubilized Redox Active Polymers via Polyelectrolyte Dynamics

Burgess, M., Hernández-Burgos, K., Schuh, J. K., Davila, J., Montoto, E. C., Ewoldt, R. H. & Rodriguez Lopez, J., Feb 14 2018, In : Journal of the American Chemical Society. 140, 6, p. 2093-2104 12 p.

Research output: Contribution to journalArticle

Polyelectrolytes
Oxidation-Reduction
Polymers
polymer
Modulation

Nonlinear viscoelasticity of fat crystal networks

Macias-Rodriguez, B. A., Ewoldt, R. H. & Marangoni, A. G., Mar 1 2018, In : Rheologica Acta. 57, 3, p. 251-266 16 p.

Research output: Contribution to journalArticle

viscoelasticity
Viscoelasticity
fats
Oils and fats
Fats

Particle-Free Emulsions for 3D Printing Elastomers

Rauzan, B. M., Nelson, A. Z., Lehman, S. E., Ewoldt, R. H. & Nuzzo, R. G., May 24 2018, In : Advanced Functional Materials. 28, 21, 1707032.

Research output: Contribution to journalArticle

Elastomers
elastomers
Emulsions
printing
emulsions

Quantifying compressive forces between living cell layers and within tissues using elastic round microgels

Mohagheghian, E., Luo, J., Chen, J., Chaudhary, G., Chen, J., Sun, J., Ewoldt, R. H. & Wang, N., Dec 1 2018, In : Nature communications. 9, 1, 1878.

Research output: Contribution to journalArticle

Elastic Tissue
Compressive stress
Tumors
Cells
Tissue

Revised design of a passive hydraulic training simulator of biceps spasticity

Pei, Y., Ewoldt, R. H., Zallek, C. M. & Hsiao-Wecksler, E. T., Jan 1 2018.

Research output: Contribution to conferencePaper

Simulators
Hydraulics

Simultaneous design of non-newtonian lubricant and surface texture using surrogate-based optimization

Lee, Y. H., Schuh, J. K., Ewoldt, R. H. & Allison, J. T., Jan 1 2018, AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials. 210049 ed. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2018; no. 210049).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lubricants
Textures
Friction
Reynolds equation
Momentum

Solution Properties and Practical Limits of Concentrated Electrolytes for Nonaqueous Redox Flow Batteries

Zhang, J., Corman, R. E., Schuh, J. K., Ewoldt, R. H., Shkrob, I. A. & Zhang, L., Apr 19 2018, In : Journal of Physical Chemistry C. 122, 15, p. 8159-8172 14 p.

Research output: Contribution to journalArticle

Electrolytes
electric batteries
electrolytes
Molecules
Fluids
2017

A Multi Objective Adaptive Surrogate Modeling-Based Optimization (MO-ASMO) framework using efficient sampling strategies

Lee, Y. H., Corman, R. E., Ewoldt, R. H. & Allison, J., Jan 1 2017, 43rd Design Automation Conference. American Society of Mechanical Engineers (ASME), (Proceedings of the ASME Design Engineering Technical Conference; vol. 2B-2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pareto Set
Sampling Strategy
Sample point
Fidelity
Sampling

Assessing the impact of electrolyte conductivity and viscosity on the reactor cost and pressure drop of redox-active polymer flow batteries

Iyer, V. A., Schuh, J. K., Montoto, E. C., Pavan Nemani, V., Qian, S., Nagarjuna, G., Rodriguez Lopez, J., Ewoldt, R. H. & Smith, K. C., Jan 1 2017, In : Journal of Power Sources. 361, p. 334-344 11 p.

Research output: Contribution to journalArticle

pressure drop
Electrolytes
Pressure drop
electric batteries
Polymers

A strain stiffening theory for transient polymer networks under asymptotically nonlinear oscillatory shear

Bharadwaj, N. A., Schweizer, K. S. & Ewoldt, R. H., Jul 1 2017, In : Journal of Rheology. 61, 4, p. 643-665 23 p.

Research output: Contribution to journalArticle

stiffening
Sodium borate
Polymers
shear
Constitutive models
thrust
sliding
textures
Textures
Bearings (structural)

Design of yield-stress fluids: A rheology-to-structure inverse problem

Nelson, A. Z. & Ewoldt, R. H., Jan 1 2017, In : Soft Matter. 13, 41, p. 7578-7594 17 p.

Research output: Contribution to journalArticle

Inverse problems
Rheology
rheology
Yield stress
Fluids

Enhancing Full-Film Lubrication Performance Via Arbitrary Surface Texture Design

Lee, Y. H., Schuh, J. K., Ewoldt, R. H. & Allison, J., May 1 2017, In : Journal of Mechanical Design, Transactions Of the ASME. 139, 5, 053401.

Research output: Contribution to journalArticle

Lubrication
Textures
Geometry
Friction
Reynolds equation

Integration of colloids into a semi-flexible network of fibrin

Bharadwaj, N. A. K., Kang, J. G., Hatzell, M. C., Schweizer, K. S., Braun, P. V. & Ewoldt, R. H., Jan 1 2017, In : Soft Matter. 13, 7, p. 1430-1443 14 p.

Research output: Contribution to journalArticle

fibrin
Colloids
Fibrin
colloids
fibrinogen

Mapping thixo-elasto-visco-plastic behavior

Ewoldt, R. H. & McKinley, G. H., Mar 1 2017, In : Rheologica Acta. 56, 3, p. 195-210 16 p.

Research output: Contribution to journalArticle

plastics
critical loading
Plastics
thixotropy
Kaolinite

Quantitative measures of yield-stress fluid drop impacts on coated surfaces

Blackwell, B. C., Deetjen, M. E., Gaudio, J. E. & Ewoldt, R. H., Jan 1 2017, In : Atomization and Sprays. 27, 4, p. 337-343 7 p.

Research output: Contribution to journalArticle

Yield stress
Fluids
Scaling laws
Materials properties
Imaging techniques

Regulating dynamic signaling between hematopoietic stem cells and niche cells via a hydrogel matrix

Mahadik, B. P., Bharadwaj, N. A. K., Ewoldt, R. H. & Harley, B. A. C., May 1 2017, In : Biomaterials. 125, p. 54-64 11 p.

Research output: Contribution to journalArticle

Stem Cell Niche
Hydrogel
Hematopoietic Stem Cells
Stem cells
Hydrogels

Self-adaptive hydrogels to mineralization

Shoaib, T., Carmichael, A., Corman, R. E., Shen, Y., Nguyen, T. H., Ewoldt, R. H. & Espinosa Marzal, R. M., Jan 1 2017, In : Soft Matter. 13, 32, p. 5469-5480 12 p.

Research output: Contribution to journalArticle

Hydrogels
Hydrogel
crosslinking
Crosslinking
Sepharose
2016

Asymmetric surface textures decrease friction with Newtonian fluids in full film lubricated sliding contact

Schuh, J. K. & Ewoldt, R. H., May 1 2016, In : Tribology International. 97, p. 490-498 9 p.

Research output: Contribution to journalArticle

sliding contact
Newtonian fluids
Contacts (fluid mechanics)
friction
textures

Automatic control: The vertebral column of dogfish sharks behaves as a continuously variable transmission with smoothly shifting functions

Porter, M. E., Ewoldt, R. H. & Long, J. H., Sep 15 2016, In : Journal of Experimental Biology. 219, 18, p. 2908-2919 12 p.

Research output: Contribution to journalArticle

Squalidae
Dogfish
Sharks
spine (bones)
automation

Design and modeling of a passive hydraulic device for muscle spasticity simulation

Liang, J., Ewoldt, R. H., Tippett, S. R. & Hsiao-Wecksler, E. T., Jun 1 2016, In : Journal of Medical Devices, Transactions of the ASME. 10, 2, 020954.

Research output: Contribution to journalArticle

Muscle Spasticity
Muscle
Hydraulics
Equipment and Supplies

Dynamic mechanical measurement of the viscoelasticity of single adherent cells

Corbin, E. A., Adeniba, O. O., Ewoldt, R. H. & Bashir, R., Feb 29 2016, In : Applied Physics Letters. 108, 9, 093701.

Research output: Contribution to journalArticle

mechanical measurement
viscoelasticity
cells
sensors
microelectromechanical systems

Effect of the environmental humidity on the bulk, interfacial and nanoconfined properties of an ionic liquid

Jurado, L. A., Kim, H., Rossi, A., Arcifa, A., Schuh, J. K., Spencer, N. D., Das Neves Barbosa Leal Lauten, C., Ewoldt, R. H. & Espinosa Marzal, R. M., Jan 1 2016, In : Physical Chemistry Chemical Physics. 18, 32, p. 22719-22730 12 p.

Research output: Contribution to journalArticle

Ionic Liquids
humidity
Atmospheric humidity
liquids
Water

Impacts of yield-stress fluid drops on permeable mesh substrates

Blackwell, B. C., Nadhan, A. E. & Ewoldt, R. H., Dec 1 2016, In : Journal of Non-Newtonian Fluid Mechanics. 238, p. 107-114 8 p.

Research output: Contribution to journalArticle

Yield Stress
Yield stress
mesh
Substrate
Mesh

Intrinsic nonlinearities in the mechanics of hard sphere suspensions

Kumar, M. A., Ewoldt, R. H. & Zukoski, C. F., Jan 1 2016, In : Soft Matter. 12, 36, p. 7655-7662 8 p.

Research output: Contribution to journalArticle

Suspensions
Mechanics
nonlinearity
Volume fraction
modulus of elasticity

Non-integer asymptotic scaling of a thixotropic-viscoelastic model in large-amplitude oscillatory shear

Blackwell, B. C. & Ewoldt, R. H., Jan 1 2016, In : Journal of Non-Newtonian Fluid Mechanics. 227, p. 80-89 10 p.

Research output: Contribution to journalArticle

Viscoelastic Model
Scaling
shear
scaling
Constitutive models

Predictions for the northern coast of the shear rheology map: XXLAOS

Ewoldt, R. H., Jul 10 2016, In : Journal of Fluid Mechanics. 798, p. 1-4 4 p.

Research output: Contribution to journalArticle

Rheology
rheology
coasts
Coastal zones
shear