- What the Letters Actually Mean
- CSWP-FS and CSWP-Flow: Reconciling the Names
- What the Credential Proves
- Exam Format and Logistics
- The 11 Topics Behind the Name
- Flow Simulation Is Not Structural Simulation
- Who Cares About This Credential
- Fees Versus Software and Training Costs
- Sequencing the Topics Across Your Prep
- Frequently Asked Questions
- CSWP-FS stands for Certified SOLIDWORKS Professional - Flow Simulation; the issuer's public designation is CSWP-Flow.
- The exam is 13 hands-on questions in 90 minutes, with a 70% minimum passing grade.
- One North American attempt costs US$49, excluding software and training.
- Eleven issuer-listed topics are unweighted, so do not guess at percentage emphasis.
What the Letters Actually Mean
CSWP-FS expands to Certified SOLIDWORKS Professional - Flow Simulation. The "CSWP" prefix is the SOLIDWORKS Professional tier from SOLIDWORKS, a Dassault Systemes brand. The "FS" tells you the specialty: fluid flow and thermal analysis performed inside SOLIDWORKS using the Flow Simulation add-in.
Many acronyms in engineering and IT overlap, so it is worth being precise. This article covers only the SOLIDWORKS credential. It is not a general fluid-science qualification, and it does not describe any other certification that happens to abbreviate to the same letters. If you want the shortest possible answer, our companion pages on what CSWP-FS stands for and what CSWP-FS is cover the basics. This page goes deeper into what the name implies about the exam you will actually sit.
CSWP-FS and CSWP-Flow: Reconciling the Names
If you search the issuer's own site, you will not necessarily find the string "CSWP-FS." The issuer's public designation for this exam is SOLIDWORKS Flow Simulation Professional, CSWP-Flow. Candidates, training providers and study communities often shorten it to CSWP-FS or write "CSWP Flow" without a hyphen. These all point to the same Flow Simulation exam.
| Label you may see | What it refers to |
|---|---|
| CSWP-FS | Common shorthand for Certified SOLIDWORKS Professional - Flow Simulation |
| CSWP-Flow | The issuer's public designation for the same exam |
| SOLIDWORKS Flow Simulation Professional | The issuer's descriptive title on its certification pages |
| CSWP Flow exam | Informal search phrasing for the same assessment |
What the Credential Proves
The "Professional" tier at SOLIDWORKS is performance-based. You are not recalling definitions; you are operating the software against the clock. For Flow Simulation, that means candidates set up and run fluid-flow studies, interpret the results, and demonstrate a basic understanding of the finite volume method (FVM), the numerical approach behind the solver.
That last point matters for the name. "Flow Simulation" in the credential title is not just button-pushing. You are expected to understand why a mesh refinement changes an answer, why a boundary condition must be physically consistent, and why a solver can converge to a number that still looks wrong. The credential signals that you can do the setup and also sanity-check the output.
For a candid look at how demanding that is, see how hard the CSWP-FS exam is.
Exam Format and Logistics
| Item | Detail |
|---|---|
| Questions | 13 hands-on questions |
| Time | 90 minutes |
| Passing grade | 70% minimum |
| Fee (North American catalog) | US$49 for one attempt, excluding software and training |
| Delivery | SOLIDWORKS through Tangix/VirtualTester; current instructions use the VirtualTester Web Client |
| Software | SOLIDWORKS Standard with Flow Simulation 2018, or SOLIDWORKS Student Edition 2018, or later, per the exact exam page |
| Retakes | At least 14 days between attempts, plus another CSWP-Flow exam credit |
| Timer | Online exam timer cannot be paused |
Two details deserve emphasis. First, you supply your own compatible licensed software and Internet access. The exam fee does not include either. Second, the current browser-client instructions supersede older TesterPRO setup references you may find in forum posts, so follow the issuer's current procedure rather than a legacy walkthrough.
Note also that 70% is the passing score, not a pass rate. We have not verified any published population pass rate, and you can read how we handle that gap in our pass rate analysis and passing score breakdown.
The 11 Topics Behind the Name
The issuer lists eleven topics the exam includes. They are unweighted: the page describes included material, not a percentage blueprint, so we infer no weights from the order or count. Treat them as a checklist, and see our complete guide to all 11 content areas for deeper treatment.
Liquids and gas
You must define the working fluid correctly before anything else.
- Choose fluid type and understand how it changes the problem setup
- Recognize when a gas or liquid assumption alters boundary conditions
Internal and external flow simulations
The two basic problem classes, each with its own setup logic.
- Internal flow: enclosed passages, with openings that must be closed off properly
- External flow: an object in open surroundings, with a computational domain you size
Internal systems involving multiple inlets or outlets
Real piping and manifold problems rarely have one inlet and one outlet.
- Assign boundary conditions to each opening consistently
- Avoid over-specifying a system so the problem becomes ill-posed
Mixing of various fluids
Setups where more than one fluid enters and combines.
- Define each fluid and track how they blend
- Read mixing results at the correct locations
Conjugated heat transfer
Heat moving between solids and fluids together.
- Include solid components with thermal properties
- Interpret temperature fields across solid-fluid interfaces
Natural and forced convection
Buoyancy-driven versus externally driven flow.
- Recognize which regime a problem describes
- Enable the physical settings each regime requires
Extracting results such as force, velocity, or pressure
Getting the number the question asks for.
- Use goals and result tools to pull specific values
- Check that the extracted quantity matches the question's definition
Working with various units
Unit handling is a quiet source of lost points.
- Set up the study and read results in the requested unit system
- Confirm conversions before submitting an answer
Working with configurations
Model variants that carry their own study setups.
- Understand how configurations relate to Flow Simulation projects
- Switch variants without breaking the study
Duplicating and editing studies
Speed matters when questions build on earlier setups.
- Clone an existing study and modify it rather than rebuilding
- Edit conditions and re-run efficiently
Controlling mesh size
Mesh settings tie accuracy to solver time.
- Adjust mesh resolution deliberately
- Connect mesh choices to result reliability and run duration
Flow Simulation Is Not Structural Simulation
A frequent point of confusion is the relationship between this credential and SOLIDWORKS's structural analysis side. Flow Simulation solves fluid dynamics and heat transfer. Structural simulation addresses stress, strain and deformation. They are different tools with different physics and different exams, so passing one tells an employer little about the other.
Who Cares About This Credential
Flow Simulation shows up wherever fluid or thermal behavior drives a design decision: valves and piping, HVAC and enclosures, electronics cooling, pumps and fluid-handling equipment, and general product development teams that want to check thermal or flow performance before prototyping. Roles that value it include design engineers who run their own analyses, simulation analysts, and application or technical-support engineers who help others use the tool.
The credential is best read as evidence of operating skill, not a hiring guarantee. We deliberately avoid quoting salary figures here because no verified premium exists to cite. If you are weighing career impact, our salary guide, jobs overview and ROI analysis frame the question through role requirements and project evidence rather than a promised bump.
Fees Versus Software and Training Costs
Keep three budgets separate in your head:
- Exam credit: US$49 per attempt in the North American catalog. A retake needs another credit.
- Software: You must bring your own compatible licensed SOLIDWORKS with Flow Simulation, or the Student Edition, 2018 or later.
- Training: The issuer recommends the SOLIDWORKS Flow Simulation course and Learning Path. The course is a two-day class, but that is a training format, not a mandatory training-hours requirement, and it has no relationship to the 90-minute exam timer.
Full numbers and scenarios live in our certification cost breakdown. For eligibility, the general certification FAQ imposes no prerequisite certification for Professional exams, which our requirements page explains further.
Sequencing the Topics Across Your Prep
Because the 11 topics are unweighted, sequence by dependency rather than by supposed importance. Foundations feed everything that follows, and the mesh topic touches almost every question, so revisit it often.
Fluids, flow types and units
- Liquids and gas; internal versus external setups
- Build the habit of checking units before running any study
Boundary conditions at scale
- Multiple inlets and outlets
- Fluid mixing setups
Thermal physics
- Conjugated heat transfer
- Natural versus forced convection
Speed and extraction
- Configurations; duplicating and editing studies
- Extracting force, velocity and pressure; mesh size versus solver time
- Timed full runs against the 90-minute clock
For a fuller plan, read the CSWP-FS study guide and keep the one-page cheat sheet nearby for final review. When you are ready to rehearse under pressure, try the hands-on style questions on the main practice test site, and once you are comfortable, schedule your attempt using the guidance on exam dates and scheduling.
Key Takeaway
Treat the name as a job description: you must set up a flow or thermal study correctly, run it at a sensible mesh, and pull the exact result requested. Practice the full loop, not isolated menu items, and keep the practice test timed to the real 90 minutes.
Frequently Asked Questions
It stands for Certified SOLIDWORKS Professional - Flow Simulation. The issuer's public designation for the exam is SOLIDWORKS Flow Simulation Professional, CSWP-Flow, which refers to the same credential.
In practice, yes. CSWP-Flow is the issuer's wording and CSWP-FS is common shorthand. When purchasing an exam credit, look for the CSWP-Flow or Flow Simulation Professional listing.
The exam has 13 hands-on questions in 90 minutes, with a 70% minimum passing grade. The online timer cannot be paused once you begin.
The issuer's 2020 Certification Program Q&A states that customer and student certifications do not expire. Check the issuer's current pages for any later policy changes before relying on this.
The general certification FAQ imposes no prerequisite certification for Professional exams. The SOLIDWORKS Flow Simulation course and Learning Path are recommended preparation, not a gate. See the overview of the certification for more context.