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News (18.07.2022)

Hotline Summer Break

Dear TRNSYS users, we too are going on vacation this summer. From the 25th of July 2022 until the 07th of August 2022 our e-mail hotline is offline. From Monday, the 8th of August 2022 we will be back as usual.

New AddOns available for Download

As announced during the userday, there is a number of new TRNSYS addons available. The following components are available for download at addons since late June:
Type 388: CO2-Concentration
This simplified model evaluates CO2 concentration in an airnode with a defined supply volume flow and flow path. Different air distribution methods (e.g. mixed ventilation and displacement ventilation) are accounted for by means of ventilation effectiveness.
Type 390: Solar Collector Array Shading
This detailed component calculates the radiation (direct and sky diffuse) on planar collector fields under the influence of self-shading and shading through external obstructions like surrounding buildings. The model outputs can be linked to other components e.g. flat plate solar collectors.
Type 3571: CFFI Calling Python/Julia
This component allows programming TRNSYS components in Python. Compared to Type 169, the communication with the Python script has been significantly improved and allows, among other things, the import of Python libraries (e.g. NumPy).





All three components can be downloaded free of charge and freely used under their specific license conditions.

TRNSYS User-Day 2022 – Thank You!

Thank you very much for the great interest and the numerous participation in our userday!

In the half-day virtual format, we were able to gain insight into development projects of different users and practical applications of the software. Beyond this, new developments of the TRNSYS development team were presented.

Below you can find an overview of the event’s program:

SpeakerTopic
Martin Neugebauer,
Ostschweizer Fachhochschule
pytrnsys: Eine Python-basierte Open-Source-Umgebung zum Aufsetzen, Ausführen und Nachbearbeiten von TRNSYS Simulationen
Bartek Kątski & Krzysztof Grabowiecki,
CIM-mes Projekt Sp. z.o.o.
Vertical Foliage Component VFC (Green Wall)
Tillman Gauer,
TU Kaiserslautern
Multifunktionale Bauteile – Einfluss der aktiven Schicht auf die Energieeffizienz
David Sengl,
Technikum Wien
Training einer KI-basierten Regelstrategie für stromgenerierende Beschattungslösungen für energieflexible Gebäude mittels Kopplung mit TRNSYS
Werner Keilholz,
CSTB
Kopplung via Sockets – Python (und mehr)
Michael Kummert,
Polytechnique Montreal
New Components to code your TRNSYS models in Python (through CFFI) and Julia
TRNSYS Developer AddOn Updates: Tess Libraries v18, CSTB Activities, Transsolar Types
TRNSYS Team TRNSYS Enwicklungen

Another very positive aspect from our perspective was the feedback to a live survey during the event, according to which the vast majority of participants would appreciate if alternating with the German userday, there was an english-speaking international userday every other year. We were also happy to see that the half-day online format was received so well, that it was the option that gained the most votes in the survey. Both of these aspects open up a greater variety of presenters and projects for the program and make the event accessible to more of our users. We will consider this feedback for the planning of future userdays.

Update TRNSYS Version 18.04.0001

We are happy to announce another minor update for the software package TRNSYS 18.04.0001. Users have received a link for download with our e-mail newsletter (further information: readme). If you haven’t received the update yet, please contact your system administrator.

Update TESS libraries

A new version of the TESS libraries available. You can find the latest information at addons.

Online Training Concept

The successful implementation of our training courses in an online format in the past year has brought with it a few changes in the organizational process. On the one hand, we work with smaller groups in these formats to ensure the quality of the training. On the other hand, participation online allows for greater flexibility in the choice of dates and more convenience in the attendance for our participants.

Therefore, instead of the two training weeks taking place twice a year, we will now offer the opportunity to take part in each of the courses in intervals of approx. 8 weeks. Whether the courses take place on each specific date and whether the course is held in German or English, is decided according to demand and depends on a minimum number of enrollments.

Information regarding the content and organization can be found at Training and in our FAQ

Older Posts

Update TRNSYS 18.04

TRNSYS Experience Seminar 2020