EN 16603-31-04:2019
(Main)Space engineering - Exchange of thermal analysis data
Space engineering - Exchange of thermal analysis data
The purpose of this NWIP is to produce an ECSS standard for the Exchange of Thermal Model Data for Space Applications. The standard will be based on a draft standard resulting from an activity performed by ESA only in 2013/2014 called "Standard for Exchange of Thermal Model Data for Space Applications".
The content of the standard is already defined in draft form under the name "STEP-TAS" ("STEP-based draft application protocol for Thermal Analysis for Space"). This protocol has been implemented in a number of thermal analysis tools and is successfully used in both ESA and non-ESA space projects. The maturity of the protocol is therefore well-established.
The global objective of this document is to define and describe the standard protocol for Exchange of Thermal Model Data for Space Applications, previously known as STEP-TAS protocol.
Raumfahrttechnik - Austausch von thermischen Analysedaten
Ingénierie spatiale - Échange des données d'analyse thermique
Vesoljska tehnika - Izmenjava podatkov termične analize
Namen tega dokumenta NWIP je ustvariti standard ECSS za izmenjavo podatkov termičnega modela za letalsko strojno opremo. Standard bo temeljil na osnutku standarda, ki izhaja samo iz dejavnosti organizacije ESA v 2013/2014, imenovanega »Izmenjava podatkov termičnega modela za letalsko strojno opremo«. Vsebina standarda je že opredeljena v osnutku pod imenom »STEP-TAS« (»osnutek aplikacijskega protokola na osnovi STEP za termično analizo za letalsko strojno opremo«). Ta protokol izvajajo številna orodja za termično analizo ter se uspešno uporablja v vesoljskih programih ESA in drugih vesoljskih programih. Zrelost protokola je tako dobro uveljavljena. Globalni cilj tega dokumenta je opredeliti in opisati standardni protokol za izmenjavo podatkov termičnega modela za letalsko strojno opremo, prej poznanega kot protokol STEP-TAS.
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
01-maj-2019
9HVROMVNDWHKQLND,]PHQMDYDSRGDWNRYWHUPLþQHDQDOL]H
Space engineering - Exchange of thermal analysis data
Raumfahrttechnik - Austausch von Daten der Thermalanalyse
Ingénierie spatiale - Echange des données des analyses thermique
Ta slovenski standard je istoveten z: EN 16603-31-04:2019
ICS:
35.240.99 8SRUDEQLãNHUHãLWYH,7QD IT applications in other fields
GUXJLKSRGURþMLK
49.140 Vesoljski sistemi in operacije Space systems and
operations
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN 16603-31-04
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2019
ICS 35.240.99; 49.140
English version
Space engineering - Exchange of thermal analysis data
Ingénierie spatiale - Échange des données d'analyse Raumfahrttechnik - Austausch von thermischen
thermique Modelldaten für Raumfahrtanwendungen
This European Standard was approved by CEN on 9 November 2018.
CEN and CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for
giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical
references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to
any CEN and CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN and CENELEC member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.
CEN and CENELEC members are the national standards bodies and national electrotechnical committees of Austria, Belgium,
Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany,
Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,
Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
CEN-CENELEC Management Centre:
Rue de la Science 23, B-1040 Brussels
© 2019 CEN/CENELEC All rights of exploitation in any form and by any means Ref. No. EN 16603-31-04:2019 E
reserved worldwide for CEN national Members and for
CENELEC Members.
Table of contents
European Foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 7
3 Terms, definitions and abbreviated terms . 8
3.1 Terms from other standards . 8
3.2 Terms specific to the present standard . 8
3.3 Abbreviated terms. 9
3.4 Nomenclature . 10
4 Overview of STEP-TAS. 11
4.1 Introduction . 11
4.2 Modular breakdown of the STEP-TAS protocol . 11
4.3 End user perspective on STEP-TAS . 13
4.4 Conformance . 14
4.5 Typical STEP-TAS software architecture . 15
4.6 Metadata . 16
5 Requirements . 18
5.1 Datasets . 18
5.2 Diagnostics . 18
5.3 Validation . 18
5.4 Conformance . 19
5.5 Metadata . 20
5.5.1 Header section . 20
5.5.2 Data section . 20
Annex A (normative) EXPRESS Schema for STEP-TAS Datasets - DRD . 22
A.1 DRD identification . 22
A.1.1 Requirement identification and source document . 22
A.1.2 Purpose and objective . 22
A.2 Expected response . 23
A.2.1 Scope and content . 23
A.2.2 Special remarks . 23
Annex B (informative) STEP-TAS dictionary . 24
Annex C (informative) Human readable STEP-TAS protocol . 25
Annex D (informative) Conformance table template for GMM . 26
D.1.1 General remarks . 26
D.1.2 Primitive bounded surfaces . 26
D.1.3 Cutting solids . 27
Bibliography . 29
Figures
Figure 4-1: Informal UML Package Diagram showing STEP-TAS Dependencies . 12
Figure 4-2: Informal UML Component Diagram Showing STEP-TAS Software
Architecture . 16
Tables
Table 4-1: STEP-TAS Conformance Classes . 14
European Foreword
This document (EN 16603-31-04:2019) has been prepared by Technical
Committee CEN-CENELEC/TC 5 “Space”, the secretariat of which is held by
DIN.
This standard (EN 16603-31-04:2019) originates from ECSS-E-ST-31-04C.
This European Standard shall be given the status of a national standard, either
by publication of an identical text or by endorsement, at the latest by September
2019, and conflicting national standards shall be withdrawn at the latest by
September 2019.
Attention is drawn to the possibility that some of the elements of this document
may be the subject of patent rights. CEN [and/or CENELEC] shall not be held
responsible for identifying any or all such patent rights.
This document has been prepared under a standardization request given to
CEN by the European Commission and the European Free Trade Association.
This document has been developed to cover specifically space systems and has
therefore precedence over any EN covering the same scope but with a wider
domain of applicability (e.g. : aerospace).
According to the CEN-CENELEC Internal Regulations, the national standards
organizations of the following countries are bound to implement this European
Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia,
Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United
Kingdom.
Introduction
The space industry is a domain in which complex products are developed and
operated by (usually large) international teams. Analysis and testing are
essential activities within the engineering process across all disciplines and
thermal control is no exception.
It is not usually possible for the many partners in the industrial teams to
standardise on the same tools for thermal analysis and test or operations results
data processing. Nor is it desirable to do so for a number of reasons:
• each partner should have the possibility to optimise their own processes;
• different tools may be more appropriate at different levels of the supply
chain;
• healthy competition between the tool vendors promotes improvement
and innovation at an affordable cost.
It is evident though, that for this philosophy to work, there is a need for easy
and reliable data exchange.
An open standard that specifies an adequate neutral data format is the only
viable way to realize reliable and cost effective data exchange and data sharing
for the thermal analysts in the space industry. The STEP-TAS protocol provides
this.
Scope
The requirements in this standard address the use of the STEP-TAS protocol for
the exchange of thermal analysis data for space applications.
The intended audience for the requirements contained in this document is the
developers of space thermal analysis software. The overview of STEP-TAS
provided in clause 4 can also be of more interest general to a wider audience.
The requirements contained within this standard do not address the end users of
the space thermal analysis tools – namely thermal engineers and thermal
analysts. The rationale for this decision is that the primary applicable document
for space thermal engineers (working on European projects) is the thermal control
standard ECSS-E-ST-31. As such the best location for requirements addressing
thermal engineers and analysts is the top level standard ECSS-E-ST-31.
This standard may be tailored for the specific characteristic and constraints of a
space project in conformance with ECSS-S-ST-00.
Normative references
The following normative documents contain provisions which, through
reference in this text, constitute provisions of this ECSS Standard. For dated
references, subsequent amendments to, or revision of any of these publications
do not apply. However, parties to agreements based on this ECSS Standard are
encouraged to investigate the possibility of applying the more recent editions of
the normative documents indicated below. For undated references, the latest
edition of the publication referred to applies.
EN reference Reference in text Title
EN 16601-00-01 ECSS-S-ST-00-01 ECSS system - Glossary of terms
EN 16003-31 ECSS-E-ST-31 Space engineering - Thermal control general requirements
EN 16003-40 ECSS-E-ST-40 Space engineering - Software
ISO 10303-11 (2004) Industrial automation systems and integration – Product
data representation and exchange – Part 11: The EXPRESS
language reference manual (second edition, 2004)
ISO 10303-21 (2002) Industrial automation systems and integration – Product
data representation and exchange – Part 21: Implementation
methods: Clear text encoding of the exchange structure
(second edition, 2002)
Terms, definitions and abbreviated terms
3.1 Terms from other standards
a. For the purpose of this Standard, the terms and definitions from ECSS-S-
ST-00-01 apply.
b. For the purpose of this Standard, the terms and definitions from ECSS-E-
ST-31 apply, in particular for the following terms:
1. geometrical mathematical model
2. thermal mathematical model
c. For the purpose of this Standard, the terms and definitions from ECSS-E-
ST-40 apply, in particular for the following terms:
1. software component
3.2 Terms specific to the present standard
3.2.1 data exchange
process of transforming an exchange structure represented in a source format
into equivalent data expressed in a different target format.
NOTE 1 to entry This can be a multi-stage process transforming
from source format to a working data structure in
memory and then to the target format.
3.2.2 dataset
coherent and valid population conforming to the STEP-TAS schema (Annex A)
3.2.3 exchange structure
computer-interpretable format used for storing, accessing, transferring, and
archiving data.
NOTE 1 to entry This term is adopted from [ISO 10303]
3.2.4 interface
reader or writer
3.2.5 population
set of STEP-TAS entities
NOTE 1 to entry A STEP-TAS dataset is an example of a population.
3.2.6 reader
software component which takes a STEP-TAS dataset as input, implements a
data exchange process and generates a target format.
3.2.7 source format
input to a data exchange process
NOTE 1 to entry The data can be in a file on dis
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