Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
Ask a Question
Recent questions and answers
0
votes
0
answers
41
views
The download link for the example file provided in the tutorial is broken (404 error); how can I obtain the file?
asked
3 days
ago
in
openLCA
by
qhz
(
120
points)
openlca
database
0
votes
1
answer
74
views
Methane GWP 100
answered
4 days
ago
in
openLCA
by
Conrad Spindler
(
13.3k
points)
openlca
ippc
methane
0
votes
1
answer
50
views
What does the colour coding in the impact assessment results mean in openLCA?
answered
4 days
ago
in
openLCA
by
Andreas Ciroth
(
147k
points)
project results
openlca
+1
vote
2
answers
487
views
Combining parts of EXIOBASE into ecoinvent
answered
5 days
ago
in
openLCA
by
selteneerden
(
170
points)
database
exiobase
combining databases
editing databases
deleting processes
0
votes
1
answer
71
views
Physical Allocation Question
answered
Jun 26
in
openLCA
by
Andreas Ciroth
(
147k
points)
physical allocation
allocation
0
votes
1
answer
156
views
ecoinvent v3.11 based project update to ecoinvent v3.12
answered
Jun 25
in
openLCA
by
Conrad Spindler
(
13.3k
points)
ecoinvent update
ecoinvent 3.12
0
votes
1
answer
71
views
migration from Simapro : what about the External Links ?
answered
Jun 25
in
openLCA
by
Andreas Ciroth
(
147k
points)
simapro
externallinks
migration
0
votes
1
answer
120
views
contribution tree
answered
Jun 25
in
openLCA
by
Andreas Ciroth
(
147k
points)
contribution tree
openlca
sankey diagram
0
votes
1
answer
85
views
What's the difference between ecoinvent yearly license (Educational Single-User) and non-Nexus license?
answered
Jun 25
in
Miscellaneous
by
Andreas Ciroth
(
147k
points)
ecoinvent
license
0
votes
0
answers
54
views
Linking specific providers to input flows via Python/IPC server.
asked
Jun 24
in
openLCA
by
BranwenT
(
120
points)
olca-ipc
python
provider linking
ipc
0
votes
0
answers
39
views
Circularity Package v3 - How to do criticality?
asked
Jun 24
in
openLCA
by
eilz
(
550
points)
circularity package
circularity
database
ecoinvent 3.12
0
votes
1
answer
119
views
Primary Energy Indicators Calculation ecoinvent EN 15804
answered
Jun 23
in
openLCA
by
Conrad Spindler
(
13.3k
points)
primary energy
en 15804
calculation method
0
votes
1
answer
97
views
How can I find usable Product flows for raw materials like sugar or citric acid?
answered
Jun 22
in
openLCA
by
Andreas Ciroth
(
147k
points)
database
openlca
0
votes
0
answers
98
views
SimaPro projects/processes transfer to openLCA
asked
Jun 16
in
openLCA
by
xanderpraet
(
120
points)
exporting proccesses
import export
simapro
data migration
database
0
votes
2
answers
3.6k
views
Can I create multiple Product Systems at once?
answered
Jun 15
in
openLCA
by
mjamieson
(
5.5k
points)
process
product system
0
votes
2
answers
431
views
Regionalized Calculation active causes negative values [ecoinvent in OPENLCA]
answered
Jun 12
in
openLCA
by
Andreas Ciroth
(
147k
points)
location
ecoinvent
regionalized calculation
negative impacts
0
votes
1
answer
439
views
Is it possible to run a stand-alone server on MacOS?
answered
Jun 12
in
openLCA
by
francoislerall
(
7.4k
points)
olca-ipc
macos
server
bin
0
votes
1
answer
161
views
Is it possible to integrate an external model into OpenLCA using a Python script?
answered
Jun 12
in
openLCA
by
Andreas Ciroth
(
147k
points)
python
openlca
0
votes
1
answer
144
views
Purchase EN 15804 add-on for ecoinvent license owner
answered
Jun 11
in
openLCA
by
Andreas Ciroth
(
147k
points)
en 15804 add-on
ecoinvent license
0
votes
1
answer
347
views
comment peux je avoir la base de données Ecoenvent
answered
Jun 11
in
openLCA
by
Andreas Ciroth
(
147k
points)
openlca
ecoinvent
0
votes
1
answer
190
views
Ecoinvent API support in openLCA
answered
Jun 11
in
openLCA
by
Andreas Ciroth
(
147k
points)
ecoinvent
api
0
votes
0
answers
106
views
Modelling a residue
asked
Jun 9
in
openLCA
by
Elnathan2026
(
120
points)
modelling
openlca
0
votes
0
answers
145
views
Waste water treatment process with by-product recovery - how to model in openLCA
asked
Jun 3
in
openLCA
by
maviana
(
200
points)
waste water treatment
lca of waste water
waste treatment
0
votes
2
answers
402
views
[bug][openlca 2.6.1] Exchange amounts set to zero
answered
Jun 1
in
openLCA
by
pwierzgala
(
210
points)
bug
amount
formula
openlca2.6.0
openlca2.6.1
0
votes
1
answer
332
views
How to apply an ELCD treatment process to a custom waste flow
answered
May 28
in
openLCA
by
Andreas Ciroth
(
147k
points)
waste water treatment
process modeling
0
votes
1
answer
224
views
Can openLCA Nexus directly access the ecoinvent site？
answered
May 27
in
openLCA
by
Andreas Ciroth
(
147k
points)
ecoinvent
database
license
openlca nexus
openlcanexus
0
votes
2
answers
899
views
Project and parameter sets
answered
May 27
in
openLCA
by
Jocelyn
(
450
points)
parameter sets
project
0
votes
1
answer
224
views
Merge of PEF and BAFU database (EF 3.1 impact assessment method)
answered
May 26
in
openLCA
by
Andreas Ciroth
(
147k
points)
ef3.1
pef database
life cycle impact assessment (lcia) methods
environmental footprint method
flow mapping
0
votes
1
answer
229
views
Dataset exportation
answered
May 26
in
openLCA
by
Andreas Ciroth
(
147k
points)
openlca
json-ld
database
ecoinvent
dataset
0
votes
1
answer
172
views
We are doing research on LCA of hybrid fibre reinforced composites. Could we achieve this using OpenLCA?
answered
May 22
in
openLCA
by
Andreas Ciroth
(
147k
points)
openlca
life cycle assessment (lca)
+1
vote
1
answer
373
views
Is it possible to show unit processes as single contributors like system processes in openLCA?
answered
May 21
in
openLCA
by
mogulmalerei
(
180
points)
ecoinvent 3.11
unit process
system process (lci)
product system
0
votes
1
answer
264
views
openLCAc.exe in zip download
answered
May 20
in
openLCA
by
msrocka
(
14.7k
points)
openlca
windows
0
votes
1
answer
222
views
For a shell & tube heat exchanger using cooling water, is the cooling water mass flow or duty be the input?
answered
May 15
in
openLCA
by
Andreas Ciroth
(
147k
points)
openlca
flows
data inputs
ecoinvent3.6
0
votes
0
answers
138
views
how do i model a condenser that uses a refrigerant at −50 °C in openLCA ?
asked
May 13
in
openLCA
by
Mr.Cat
(
180
points)
openlca
input output
process
0
votes
1
answer
1.1k
views
Export to Excel - Truncated matrices due to Excel column limit (openLCA 2.5.0)
answered
May 12
in
openLCA
by
simonL
(
140
points)
excel export
openlca 2.5.0
contribution analysis
0
votes
1
answer
279
views
Is student application for ecoinvent Educational License permitted?
answered
May 8
in
openLCA
by
Andreas Ciroth
(
147k
points)
ecoinvent
educational licence
purchase
openlca
0
votes
2
answers
447
views
What if Exchanges had UUIDs?
answered
May 7
in
openLCA
by
msrocka
(
14.7k
points)
olca-schema
lcia
exchange
0
votes
1
answer
216
views
GeoJson files for regionalized impact assessment
answered
May 7
in
openLCA
by
sahsera_gd
(
640
points)
impact assessment method
regionalised lca
environmental footprints (pef)
no regionalized information available
import
0
votes
0
answers
149
views
Is LC-Impact method in openLCA compatible with Ecoinvent 3.12?
asked
May 7
in
openLCA
by
niina
(
120
points)
life cycle impact assessment (lcia) methods
ecoinvent
0
votes
1
answer
278
views
methane and nitrogen gas are not available as product flows in ecoinvent, is there an alternative to them ?
answered
May 7
in
openLCA
by
JonasHo
(
8.4k
points)
database
ecoinvent
flows
gate-to-gate
product flow
To see more, click for the
full list of questions
or
popular tags
.
ask.openLCA
is a question-and-answer (Q&A) website on
Life Cycle Assessment (LCA)
.
It is also the public support platform for
openLCA
,
openLCA Nexus
and the
LCA Collaboration Server
.
Before asking questions please also consult our online manuals for
openLCA
and the
LCA Collaboration Server
.
Receive guaranteed and prioritised professional support via
GreenDelta's help desk
.
ask.openLCA is run by
GreenDelta
, the creators of openLCA.
Categories
All categories
openLCA
(3.3k)
Miscellaneous
(208)
LCA Collaboration Server
(81)
Follow @openlca
Recent questions and answers
Most popular tags
openlca
database
ecoinvent
process
life cycle impact assessment (lcia) methods
product system
life cycle impact assessment (lcia)
import
flows
results
error
openlca1.6
calculation
modelling
python
data inputs
monte carlo analysis
processes
input output
uncertainty
data
olca-ipc
openlca1.7
impact analysis
lca
impact assessment method
openlca1.5
en15804
lca collaboration server
import export
methods
life cycle assessment (lca)
waste treatment
excel export
contribution tree
provider linking
openlca 2.0
ecoinvent3.6
exiobase
impact categories
openlca 1.10.3
exporting results
waste management
allocation
crash
...
