From Nicola.Lisi at eni.com Mon Nov 23 12:30:14 2015 From: Nicola.Lisi at eni.com (Lisi Nicola) Date: Mon, 23 Nov 2015 12:30:14 +0000 Subject: [Opm] Request of information Message-ID: Dear Sirs, I find your web page searching on internet using some keywords. I am interesting to understand if the available OPM library contains the functions to compute the volume of each cell of a 3D unstructured grid volume made of hexahedron cells type knowing the X-Y-Z of the 8 vertex of each cell. I hope to have explained well my need. In the case please ask me more. Best regards nicola Nicola Lisi DAST/DAEX Dept. Via Emilia, 1 20097 San Donato M.se Tel. +39.02.52059112 Email: nicola.lisi at eni.com Nicola Lisi DAST/DAEX Dept. Via Emilia, 1 20097 San Donato M.se Tel. +39.02.52059112 Email: nicola.lisi at eni.com Eni SpA Sede Legale Piazzale Enrico Mattei, 1 00144 Roma - Italia Capitale sociale euro 4.005.358.876,00 i.v. Codice Fiscale e Registro Imprese di Roma n. 00484960588 Partita IVA n. 00905811006 R.E.A. Roma n. 756453 Sedi secondarie: Via Emilia, 1 e Piazza Ezio Vanoni, 1 20097 San Donato Milanese (Milano) – Italia eni.com ________________________________ Message for the recipient only, if received in error, please notify the sender and read http://www.eni.com/disclaimer/ -------------- next part -------------- An HTML attachment was scrubbed... URL: From joaho at statoil.com Mon Nov 23 13:11:53 2015 From: joaho at statoil.com (Joakim Hove) Date: Mon, 23 Nov 2015 13:11:53 +0000 Subject: [Opm] Request of information In-Reply-To: References: Message-ID: <2C495325BE67E94ABEF4C1C984227EF02606E42A@WS343.statoil.net> I am interesting to understand if the available OPM library contains the functions to compute the volume of each cell of a 3D unstructured grid volume made of hexahedron cells type knowing the X-Y-Z of the 8 vertex of each cell. Hello; the grid in opm exists in several incarnations – assuming Eclipse grid input it starts with an Opm::EclipseGrid instance in opm-parser and then it is further processed to the grid format actually used for simulations (Dune Cornerpoint / opm-core:UnstructuredGrid). The Opm::EclipseGrid is a thin wrapper around the ert ecl_grid.c which has exactly the function you ask for; in addition opm-core:UnstructuredGrid has the same function and I assume it is also in Dune corenerpoint. J From: Opm [mailto:opm-bounces at opm-project.org] On Behalf Of Lisi Nicola Sent: 23. november 2015 13:30 To: opm at opm-project.org Subject: [Opm] Request of information Dear Sirs, I find your web page searching on internet using some keywords. I am interesting to understand if the available OPM library contains the functions to compute the volume of each cell of a 3D unstructured grid volume made of hexahedron cells type knowing the X-Y-Z of the 8 vertex of each cell. I hope to have explained well my need. In the case please ask me more. Best regards nicola Nicola Lisi DAST/DAEX Dept. Via Emilia, 1 20097 San Donato M.se Tel. +39.02.52059112 Email: nicola.lisi at eni.com Nicola Lisi DAST/DAEX Dept. Via Emilia, 1 20097 San Donato M.se Tel. +39.02.52059112 Email: nicola.lisi at eni.com Eni SpA Sede Legale Piazzale Enrico Mattei, 1 00144 Roma - Italia Capitale sociale euro 4.005.358.876,00 i.v. Codice Fiscale e Registro Imprese di Roma n. 00484960588 Partita IVA n. 00905811006 R.E.A. Roma n. 756453 Sedi secondarie: Via Emilia, 1 e Piazza Ezio Vanoni, 1 20097 San Donato Milanese (Milano) – Italia eni.com ________________________________ Message for the recipient only, if received in error, please notify the sender and read http://www.eni.com/disclaimer/ ------------------------------------------------------------------- The information contained in this message may be CONFIDENTIAL and is intended for the addressee only. Any unauthorised use, dissemination of the information or copying of this message is prohibited. If you are not the addressee, please notify the sender immediately by return e-mail and delete this message. Thank you -------------- next part -------------- An HTML attachment was scrubbed... URL: From abir at statoil.com Sat Nov 28 07:43:09 2015 From: abir at statoil.com (Alf Birger Rustad) Date: Sat, 28 Nov 2015 07:43:09 +0000 Subject: [Opm] Request of information Message-ID: <6cc62ea8-2ad9-41df-b92d-7a28ea327e36@email.android.com> Hi Lisi, I am afraid the question is surprisingly complicated to answer. The hexahedrons we calculate volumes for are cells from corner-point grids. In this case we have chosen to calculate the volume similar to what industry standard reservoir simulators do. The actual calculation is not done in opm though. You will find the call in the EclipseGrid files within opm-parser, with the functions ecl_grid_get_cell_volume1 and ecl_grid_get_cell_volume3. To see how the calculation is actually done, you will need to check out these functions in the Ert code found here: https://github.com/Ensembles/ert Cheers, Alf 23. nov. 2015 1.30 p.m. skrev Lisi Nicola : Dear Sirs, I find your web page searching on internet using some keywords. I am interesting to understand if the available OPM library contains the functions to compute the volume of each cell of a 3D unstructured grid volume made of hexahedron cells type knowing the X-Y-Z of the 8 vertex of each cell. I hope to have explained well my need. In the case please ask me more. Best regards nicola Nicola Lisi DAST/DAEX Dept. Via Emilia, 1 20097 San Donato M.se Tel. +39.02.52059112 Email: nicola.lisi at eni.com Nicola Lisi DAST/DAEX Dept. Via Emilia, 1 20097 San Donato M.se Tel. +39.02.52059112 Email: nicola.lisi at eni.com Eni SpA Sede Legale Piazzale Enrico Mattei, 1 00144 Roma - Italia Capitale sociale euro 4.005.358.876,00 i.v. Codice Fiscale e Registro Imprese di Roma n. 00484960588 Partita IVA n. 00905811006 R.E.A. Roma n. 756453 Sedi secondarie: Via Emilia, 1 e Piazza Ezio Vanoni, 1 20097 San Donato Milanese (Milano) – Italia eni.com ________________________________ Message for the recipient only, if received in error, please notify the sender and read http://www.eni.com/disclaimer/ ------------------------------------------------------------------- The information contained in this message may be CONFIDENTIAL and is intended for the addressee only. Any unauthorised use, dissemination of the information or copying of this message is prohibited. If you are not the addressee, please notify the sender immediately by return e-mail and delete this message. Thank you -------------- next part -------------- An HTML attachment was scrubbed... URL: From putanowr at l5.pk.edu.pl Sat Nov 28 19:27:41 2015 From: putanowr at l5.pk.edu.pl (Roman Putanowicz) Date: Sat, 28 Nov 2015 20:27:41 +0100 Subject: [Opm] Request of information In-Reply-To: <6cc62ea8-2ad9-41df-b92d-7a28ea327e36@email.android.com> References: <6cc62ea8-2ad9-41df-b92d-7a28ea327e36@email.android.com> Message-ID: <20151128192741.GA25576@jinx.l5.pk.edu.pl> Hi, > I am afraid the question is surprisingly complicated to answer. In as sense you are right, however there is very nice paper : http://www.osti.gov/scitech/servlets/purl/632793/ that puts it into relatively simple equation after doing some reductions that minimize the number of floating point operations. The whole problem boils down to calculation of three 3x3 determinants and couple of vector subtractions. This is not directly related to OPM but might by interesting to OPM users as well. Regards, Roman -- Roman Putanowicz, PhD < putanowr at l5.pk.edu.pl > Institute for Computational Civil Engng (L-5) Dept. of Civil Engng, Cracow Univ. of Technology www.l5.pk.edu.pl, tel. +48 12 628 2569, fax 2034