Molecular Dynamics Simulation Data for Water Transport in Polyamide Membranes

Non-equilibrium molecular dynamics simulations investigate water transport mechanisms in reverse osmosis polyamide membranes. The dataset, authored by Nico Marioni and harvested from the Texas Data Repository, was last updated in November 2025. It compares graphene-restrained and freeze-restrained mechanical boundary conditions across pressure differentials from 1000 to 5000 bar.

Use Cases

• Validate solution-diffusion versus pore-flow transport models based on simulated water concentration and pressure profiles.
• Analyze the impact of mechanical support conditions on membrane performance based on the comparison of graphene-restrained and freeze-restrained systems.
• Investigate the role of crosslink density and high pressure on water permeation behavior in dense membranes.
• Benchmark molecular dynamics simulation methodologies for modeling reverse osmosis processes.

Strengths

• Simulations cover a defined pressure range of 1000–5000 bar.
• Explicitly compares two distinct mechanical boundary conditions relevant to experimental setups.
• Focuses on a specific, debated scientific question regarding transport mechanisms in polyamide membranes.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Texas Data Repository Harvested Dataverse

Collection Method

Generated via non-equilibrium molecular dynamics simulations.

Time Range

Simulation data likely corresponds to the study period, but specific temporal coverage is not stated.

Freshness

Last updated 2025-11-04 19:40:21

Geography

Not applicable for computational simulation data.