- Why There Is No Fixed Exam Calendar
- What the Issuer Actually Publishes
- Scheduling Mechanics: Tangix, VirtualTester and the Web Client
- Pre-Booking Readiness Checklist
- Retake Windows and Exam Credits
- Planning Backward From Your Target Date
- Exam Dates vs. Software Versions
- Timing the Spend
- Frequently Asked Questions
- The issuer's current exam page is undated; it does not publish fixed 2026 testing windows or registration deadlines.
- The exam is 13 hands-on questions in 90 minutes, delivered through Tangix/VirtualTester's Web Client, and the timer cannot be paused.
- A failed attempt requires at least 14 days before a retake, plus another CSWP-Flow exam credit.
- Software must be SOLIDWORKS with Flow Simulation 2018 or later (or Student Edition 2018 or later), supplied by you.
Why There Is No Fixed Exam Calendar
Candidates searching for "CSWP-FS exam dates 2026" often expect a table of quarterly testing windows, like those published for proctored certifications with seat-limited test centers. That is not how this credential works. The Certified SOLIDWORKS Professional - Flow Simulation exam, which the issuer publicly designates SOLIDWORKS Flow Simulation Professional, CSWP-Flow, is a hands-on, software-driven exam delivered online through SOLIDWORKS' testing platform, Tangix/VirtualTester. The practical consequence is that this article cannot hand you a list of dates, because the issuer's published exam page does not present one.
What you can do is understand the real constraints that shape your date: when you can purchase an exam credit, when your licensed software is ready, when you can block 90 uninterrupted minutes, and how the retake rule affects your planning. Those are the variables that determine when you test. For background on the credential itself, see What Is CSWP-FS? and CSWP-FS Meaning.
What the Issuer Actually Publishes
The SOLIDWORKS exam page for Flow Simulation Professional is explicitly undated. It describes the exam's logistics and objectives rather than a schedule. Here is what is on the record:
| Item | What the issuer states |
|---|---|
| Governing body | SOLIDWORKS, Dassault Systemes |
| Testing platform | Tangix/VirtualTester; current instructions use the VirtualTester Web Client |
| Format | 13 hands-on questions, 90 minutes |
| Passing grade | Minimum 70% |
| Fee (North American catalog) | US$49 for one attempt, excluding software and training |
| Prerequisite certification | None imposed for Professional exams in the general certification FAQ |
| Retake rule | At least 14 days between attempts, plus another CSWP-Flow exam credit |
| Certificate validity | Customer and student certifications do not expire (2020 Certification Program Q&A) |
| Fixed 2026 testing windows | Not published on the exam page |
Treat any third-party site that presents a rigid "2026 exam date" list for this credential with caution. If you need a firm answer for a specific plan, such as an employer deadline, confirm availability through your SOLIDWORKS reseller or the certification program page at the time you buy your credit. For eligibility specifics, our CSWP-FS Requirements guide covers prerequisites in more depth.
Scheduling Mechanics: Tangix, VirtualTester and the Web Client
How the delivery model affects "when"
Because delivery runs through VirtualTester, your practical scheduling concern is less about a calendar slot and more about environment readiness. The current instructions point to the browser-based VirtualTester Web Client, and they supersede legacy TesterPRO setup references you may find in older forum threads or third-party guides. If a study resource tells you to install and configure a legacy desktop tester, treat that as outdated and follow the current exam procedure document instead.
Supply your own software and connection
You provide compatible licensed software and Internet access. The minimum is SOLIDWORKS Standard with SOLIDWORKS Flow Simulation 2018, or SOLIDWORKS Student Edition 2018, or later, as specified on the exact exam page. Before you commit to a date, confirm that:
- Your SOLIDWORKS installation includes the Flow Simulation add-in and it loads without errors.
- Your license is active for the entire exam window, not expiring next week.
- The machine you will use can run a transient or steady-state flow study without choking, since you will be meshing and solving under time pressure.
- Your Internet connection is stable enough to keep the web client session alive for 90 minutes.
Pre-Booking Readiness Checklist
Since there is no deadline forcing your hand, the right time to purchase your credit is when you can honestly answer yes to the questions below. These map directly to the 11 issuer-listed exam topics. The list is unweighted, so do not assume any topic is "worth more" than another.
Domains 1-3: Fluid and system setup
Liquids and gas; internal and external flow simulations; internal systems with multiple inlets or outlets.
- Can you set up an internal study from a lid-capped model without leaking the computational domain?
- Can you choose correct boundary conditions (inlet velocity, outlet pressure, mass flow) for a manifold with several ports?
- Can you switch fluids between a liquid and a gas and justify the property choices?
Domains 4-6: Physics-heavy topics
Mixing of various fluids; conjugated heat transfer; natural and forced convection.
- Can you define fluid mixing with multiple fluid inputs and read the resulting concentration distribution?
- Can you include solid conduction alongside fluid flow and place heat sources correctly?
- Can you tell when gravity must be switched on for natural convection versus when a fan drives forced convection?
Domains 7-11: Results and housekeeping
Extracting results such as force, velocity or pressure; working with various units; configurations; duplicating and editing studies; controlling mesh size.
- Can you pull a surface or point result quickly and read it in the units the question requests?
- Can you clone a study, change a single boundary condition and rerun efficiently?
- Can you tune mesh size to balance solver time against result stability?
If a topic above makes you hesitate, your date should wait. A deeper breakdown of each area is in our CSWP-FS Exam Domains guide, and for a realistic sense of the challenge see How Hard Is the CSWP-FS Exam?
Retake Windows and Exam Credits
The retake rule is the one hard timing constraint in the published facts: you must wait at least 14 days after an attempt, and you need another CSWP-Flow exam credit to try again. This changes how you should think about your first date.
- Do not treat attempt one as a diagnostic. Every attempt costs a credit (US$49 in the North American catalog), and every failure imposes a mandatory two-week gap.
- Leave room in your schedule for a second attempt. If you have an employer or project deadline, book your first attempt at least three to four weeks before it so a retake remains possible.
- Use the gap productively. If you do not pass, the 14 days are best spent rebuilding the exact study types that cost you points, not rereading everything.
The pass line is 70%, which is a score threshold, not a population pass rate. We have not verified published pass rates for this exam, so see CSWP-FS Pass Rate for how to interpret what limited data exists, and CSWP-FS Passing Score for exactly what the 70% means in practice.
Planning Backward From Your Target Date
Here is the one structured planning section in this article. Because the exam topics are unweighted, schedule by dependency: you cannot interpret heat-transfer results confidently until your boundary conditions and mesh habits are solid. This sample runs backward from a chosen exam day and assumes you already use SOLIDWORKS regularly. Adjust the pace to your own experience.
Foundations: setup and boundaries
- Domains 1-3: liquids and gas, internal and external flow, multiple inlets and outlets.
- Rebuild at least one internal manifold study from scratch, checking that the model is fully enclosed.
Physics add-ons
- Domains 4-6: fluid mixing, conjugated heat transfer, natural and forced convection.
- Run one heated-solid study and one mixing study; compare results against hand estimates.
Speed and result extraction
- Domains 7-11: extracting force, velocity or pressure; units; configurations; duplicating studies; mesh control.
- Practice cloning and editing studies against a clock so file management stops costing you minutes.
Full timed runs
- Simulate the real format: 13 questions in 90 minutes with no pausing.
- Book the exam only after you finish a timed set comfortably above the 70% line.
For a fuller methodology, see the CSWP-FS Study Guide, and for a quick final pass the CSWP-FS Cheat Sheet. If you want timed, exam-style practice before you spend a credit, the practice test site is built for exactly that.
Key Takeaway
Because the exam is 13 questions in 90 minutes, roughly seven minutes per question on average, speed in study duplication, unit handling and mesh adjustment matters as much as conceptual knowledge. Schedule your timed practice runs before you schedule your exam.
Exam Dates vs. Software Versions
One source of confusion deserves its own section. The number "2018" appears in the exam requirements, and candidates sometimes read it as an exam-outline year or conclude that the exam content is frozen at 2018. That is not what it means. The 2018 figure is a software compatibility minimum: your SOLIDWORKS with Flow Simulation, or Student Edition, must be version 2018 or later. The live exam page itself is undated, so there is no "2026 version" of the objectives to wait for or to chase.
Similarly, the public Flow Simulation course contents (document PMT2643-ENG, copyright 2025) are preparation curriculum, not the exam blueprint. The two-day training course is a recommended preparation path alongside the Learning Path; it is neither a mandatory training-hours requirement nor related to the 90-minute exam timer. Do not delay your exam waiting for a course date unless you personally need the instruction. Our CSWP-FS Training page explains the options.
Timing the Spend
The exam credit and your preparation costs arrive on different schedules, which affects when it makes sense to buy. The US$49 North American catalog fee covers one attempt and excludes software and training. If your employer already licenses SOLIDWORKS and Flow Simulation, your marginal cost may be just the credit, and you can buy it the moment you pass your own readiness check. If you are paying separately for software access or the training course, sequence those purchases first, since you cannot meaningfully prepare without the software.
A practical sequence: confirm software access, complete preparation, pass timed practice, then buy the credit and take the exam in a protected 90-minute block. Buying the credit early "to stay motivated" simply starts a clock on your own anxiety without any deadline benefit, since the issuer does not publish a registration cutoff. For the full money picture, see CSWP-FS Certification Cost. If you are weighing whether the investment pays off for your role, read Is the CSWP-FS Certification Worth It? and the CSWP-FS Salary Guide, which treats earnings through role requirements and project evidence rather than a guaranteed premium.
Frequently Asked Questions
The issuer's exam page for SOLIDWORKS Flow Simulation Professional (CSWP-Flow) is undated and does not publish fixed testing windows or registration deadlines. The exam is delivered online through Tangix/VirtualTester, so your date is determined by when you purchase a credit and are ready to sit the 90-minute exam.
At least 14 days. You also need another CSWP-Flow exam credit for each additional attempt, so plan your first date with room for a possible retake before any external deadline.
No. The online exam timer cannot be paused. Test your software, license and Internet connection beforehand, and choose a quiet 90-minute block. Follow the current VirtualTester Web Client instructions rather than legacy TesterPRO setup references.
No. 2018 is the minimum compatible software version (SOLIDWORKS with Flow Simulation 2018 or later, or Student Edition 2018 or later). The live exam page is undated, and the 11 listed topics are unweighted. The number is a compatibility floor, not an exam-outline year.
According to the issuer's 2020 Certification Program Q&A, customer and student certifications do not expire. There is no renewal window to schedule around. For related background, see What Is CSWP-FS Certification? and, if you are exploring career context, CSWP-FS Jobs.