NatLabRockies/fastsim

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FASTSim (Future Automotive Systems Technology Simulator) is a vehicle simulation tool for evaluating the efficiency and performance of on-road vehicles

Stars: 60
Forks: 19
Open beginner issues: 0
Indexed issues: 25
Avg merge: 10d 2h
Merged PRs (30d): 2

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Sep 10, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

25 open issues indexed

Meta-Issue: Component Modeling Audit Open

NatLabRockies/fastsim#334 · 4 assignees · Opened Sep 10, 2026
ABC -> Cd/Crr constraints Open

enhancement

NatLabRockies/fastsim#333 · 1 assignee · Opened Sep 9, 2026
Meta-Issue: Enhancement Roadmap Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

NatLabRockies/fastsim#327 · 1 comment · Opened Aug 20, 2026
Native stack overflow in SimDrive::set_ach_speed: unbounded self-recursion on infeasible steps Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 67/100

NatLabRockies/fastsim#326 · 1 comment · Opened Aug 20, 2026
Update docs to load vehicle from new database Open

Difficulty 1/5 Under an hour Newbie friendliness 75/100

NatLabRockies/fastsim#323 · Opened Aug 14, 2026
Logging Open

NatLabRockies/fastsim#322 · 1 assignee · Opened Aug 13, 2026
Make braking more realistic Open

NatLabRockies/fastsim#316 · 1 assignee · Opened Aug 3, 2026
`StartStopControl::handle_fc_on_causes_for_temp` bug Open

bug

NatLabRockies/fastsim#312 · 1 assignee · Opened Jul 30, 2026
Default `revision` to latest (highest number in directory) when querying database Open

enhancement

NatLabRockies/fastsim#308 · 1 assignee · Opened Jul 23, 2026
Add field `output_power_domain`: `PowerDomain` to FuelConverter Open

enhancement

NatLabRockies/fastsim#306 · 1 assignee · Opened Jul 21, 2026
Allow different independent variables (apart from time) for drive cycles Open

enhancement

NatLabRockies/fastsim#305 · 1 comment · 1 assignee · Opened Jul 20, 2026
DriveCAT/EPA dynamometer cycle convenience functions Open

enhancement

NatLabRockies/fastsim#303 · 1 comment · 1 assignee · Opened Jul 19, 2026
Efficiency modeling refinements master issue Open

enhancement

NatLabRockies/fastsim#287 · 1 assignee · Opened Jul 15, 2026
Refactor `alt_eff` to be a FuelConverter/ReversibleEnergyStorage level aux load efficiency penalty Open

enhancement

NatLabRockies/fastsim#286 · 1 assignee · Opened Jul 15, 2026
Series Hybrids: add `HybridArchitecture` enum for HybridElectricVehicle Open

enhancement

NatLabRockies/fastsim#283 · 1 assignee · Opened Jul 15, 2026
Run cargo audit in CI Open

enhancement

NatLabRockies/fastsim#280 · 1 assignee · Opened Jul 15, 2026
Solar loading Open

enhancement

NatLabRockies/fastsim#278 · 1 assignee · Opened Jul 14, 2026
Introduce analog of state-of-charge for `FuelStorage` Open

enhancement

NatLabRockies/fastsim#277 · 1 assignee · Opened Jul 14, 2026
Alternate vehicle inputs Open

enhancement

NatLabRockies/fastsim#276 · 1 assignee · Opened Jul 14, 2026
Implement convenience SI/Atkinson/Diesel/HD_Diesel fuel converter efficiency maps Open

enhancement

NatLabRockies/fastsim#275 · 1 assignee · Opened Jul 14, 2026
Tracking issue for fuel cell electric vehicles Open

enhancement

NatLabRockies/fastsim#270 · 1 assignee · Opened Jul 12, 2026
Passing elevation directly to the core Open

NatLabRockies/fastsim#240 · 1 assignee · Opened Oct 15, 2025
vec scaling enhancement and improved harmonization with ALTRIOS Open

enhancement future

Difficulty 5/5 Over a week Newbie friendliness 25/100

NatLabRockies/fastsim#206 · Opened Apr 10, 2025
using fuel converter efficiency map in fuel economy calcs Open

NatLabRockies/fastsim#165 · 5 comments · 2 assignees · Opened Nov 14, 2024
.pyi stub files Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NatLabRockies/fastsim#125 · Opened May 10, 2024

NatLabRockies/fastsim

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