Difference between revisions of "2014 KA Minutes of the Workshop"

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Revision as of 18:19, 4 November 2014

2nd Workshop CityGML EnergyADE - Karlsruhe, 30th of October 2014


Action Items (Nov. 2014 - May 2015)

WHAT WHO WHEN
Provide Feedbacks on the current UML Schemas (see Community Portal) ALL participants
Nov 2014
Finalize the ADE Energy UML Schema, based on the different Feedbacks HFT (Bruse, Nouvel)
1st week Dec 2014
Write ADE Energy XSD Schema EIFER (Nichersu), CSTB (Tournaire)
Dec 2014
Implement XSD Schema in the different simulation tools/platforms
Write test CityGML file
RWTH Aachen, EPFL, SINERGIS, CSTB, TUM, HFT
Jan - Feb 2015
Start simulation based on test CityGML file
Iterative process with feedbacks
RWTH Aachen, EPFL, SINERGIS, CSTB, TUM, HFT
Mar - Apr 2015
Come to next workshop with results ALL participants
May 2015


Presentations and Minutes

TOP 1: ADE Energy, Motivations and requirements

Jean-Marie Bahu (EIFER Karlsruhe)

Presentation: Energy ADE Workshop - Introduction

TOP 2: Energy Aspects of the INSPIRE Building Model

Dr. Gerhard Gröger (University of Bonn - Geoinformatics)

Presentation: Energy Aspects of the INSPIRE Building Model

Discussion:

  • Overlapping risks between ADE INSPIRE and ADE ENERGY

R. Nouvel: Are there some risks of redundancy between the ADE INSPIRE developped currently (in particular by Mr. Kolbe) and our ADE ENERGY?
>>> J. Benner: There is no semantic or low-level semantic overlap between them.

TOP 3: Material module for ADE Energy

Joachim Benner and Karl-Heinz Haefele (KIT Karlsruhe)

Presentation: Proposal of a Material Extension for the EnergyADE

Discussion:

  • Specific Window Object

K.H. Haefele: Window may be considered as a generic construction. Is an additional window model required?
>>> M. Lauster: For dynamic energy simulation, a specific window model, including in particular a window shading model is needed.

  • Consideration of costs

K.H. Haefele: Should be “cost” taken into account in UML? How it should be integrated? (All costs are here considering, including financial costs, grey energy, emission cost needed etc.)
>>> R. Nouvel: Cost information is not specific to materials. Therefore it should not be part of the material ADE. Maybe later a Costs ADE may be developed.

M. Petit: in costs, currency and unit parameters could be combined in a unique parameter.

  • Consideration of indoor air quality

Same consideration that for costs. This is not specific to materials.

  • Material texture / visualization

K.H. Haefele: there are some risks that the material texture is displayed in an uncorrect orientation. Should we add an explicit visualization information?

  • Material Thickness

R Nouvel: In the current ADE Materials version of KIT (like in gbXML), Thickness is part of the material parameters. In most simulation models and some international formats (ifc), thickness is associated with layers while materials contain only parameters proper to it (conductivity, volumetric capacity etc.). Could we rather consider this modelling way?

TOP 4: Building Physics module

Romain Nouvel (HFT Stuttgart)

Presentation: Report of the Activities of the Building Physics Group

TOP 5: Occupancy module for ADE Energy

Jean-Marie Bahu (EIFER Karlsruhe)

Presentation: Report of the Activities of the Building Occupants Group

Discussion:

  • Schedules

L. Giovanni: What represent the occupancy schedules?
>>> J-M.Bahu: Occupancy schedule is a normalized schedule (0 to 1: 1 corresponding to the maximal indicated person number) representing the presence of the occupant in a zone/building. It is important in particular to calculate the intern gains
P. Riederer: What is the purpose to integrate occupancy and indoor climate set-point schedules in the CityGML file? This file is going to be very heavy...
>>> R. Nouvel: Hourly schedules are necessary inputs for the dynamic simulation. A possibility would be to use external links in order to connect CityGML file with an external database containing hourly values.

ACTION (Nov. 2014): R. Kaden (TU Munchen) will share his model of Time-Depending Data Type on the Wiki. After discussion and finalization, this model will be used for the schedule definition.
TOP 6: Energy System module for ADE Energy

Romain Nouvel (HFT Stuttgart)

Presentation: Report of the Activities of the Energy Systems Group

Discussion:

  • Standard parameters of Energy Systems

Someone: Which energy system parameters should be standardized in the ADE Energy?
>>> R. Nouvel: This is a trade-off between restrictive general information data and very detailed (and less used) information data. Each ADE Energy participants should specify which parameters, among those they use to model energy system, could be of interest for another model of the same energy system.

TOP 7: Metadata module for ADE Energy

Volker Kraut (M.O.S.S. Taufkirchen)

Presentation: Report of the Activities of the Metadata Group

ACTION (until next workshop): All participants of the other Working groups should supply a list of required metadata for specific parameters.
TOP 8: Open discussion


  • ADE Energy implementation form
ADE_Energy_Structure

Three different forms of ADE Energy implementation were brought up:

  1. a uniform ADE Energy, integrating all developments of the WG
  2. a mandatory ADE Energy core on one side, and on the other side an optional extended ADE Energy (inspired from the Core3D and Extended3D from INSPIRE)
  3. an ADE Energy core linked to several ADE Energy modules corresponding to different attributes categories (i.e. time-series, material, occupancy and energy systems).

The last scenario was accepted. The ADE Energy core corresponds to the Building Physics Module, which sets a data structure to link the different modules. The ADE Energy modules will be integrated in the same UML schema ADE Energy, in a modular way. Extensions of each of this module outside the "Building Energy" topic will be still later possible (e.g. creation of a ADE Materials or ADE Occupancy).

  • Levels of Detail covered by the ADE Energy

J.M. Bahu prefered to focus first on the main application of this ADE Energy: the building modelled in LoD2.
R. Nouvel reported that the ADE Energy has been from the beginning developed as flexible as possible, potentially compatible with all CityGML Levels of Details (LoD1 to LoD4). Then he suggested to define a UML schema covering all LoDs, and see the different feebacks during the test phase.
This last proposition found finally consensus.

  • Window definition

RWTH and HFT Stuttgart suggested to define a semantical window object (related to a shading object) in a similar way that for ThermalBoundarySurface. Without LoD3 or more, the position of the windows is unknown, only the window surface area is relevant.

  • Dissemination
ACTION (nov. 2014): All participants should look for some conferences (starting from May 2015) where the ADE Energy could be presented.
  • Next Meeting

Organized in May 2015.
Location Possibilities: Paris, Nice, Bologna.

ACTION (nov. 2014): CSTB and SINERGIS check if they can host.