Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
Ask a Question
Recent questions and answers
0
votes
1
answer
21
views
For a shell & tube heat exchanger using cooling water, is the cooling water mass flow or duty be the input?
answered
16 hours
ago
in
openLCA
by
Andreas Ciroth
(
146k
points)
openlca
flows
data inputs
ecoinvent3.6
0
votes
0
answers
31
views
[bug][openlca 2.6.1] Exchange amounts set to zero
asked
1 day
ago
in
openLCA
by
pwierzgala
(
140
points)
bug
amount
formula
openlca2.6.0
openlca2.6.1
0
votes
0
answers
14
views
how do i model a condenser that uses a refrigerant at −50 °C in openLCA ?
asked
2 days
ago
in
openLCA
by
Mr.Cat
(
180
points)
openlca
input output
process
0
votes
1
answer
733
views
Export to Excel - Truncated matrices due to Excel column limit (openLCA 2.5.0)
answered
3 days
ago
in
openLCA
by
simonL
(
140
points)
excel export
openlca 2.5.0
contribution analysis
0
votes
1
answer
91
views
Is student application for ecoinvent Educational License permitted?
answered
May 8
in
openLCA
by
Andreas Ciroth
(
146k
points)
ecoinvent
educational licence
purchase
openlca
0
votes
2
answers
139
views
What if Exchanges had UUIDs?
answered
May 7
in
openLCA
by
msrocka
(
14.3k
points)
olca-schema
lcia
exchange
0
votes
1
answer
74
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
62
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
111
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
0
votes
1
answer
113
views
do results change if i calculate the impact for a product system of processes combined vs each process on its own
answered
May 6
in
openLCA
by
JonasHo
(
8.4k
points)
openlca
product system
process
0
votes
1
answer
116
views
Product system loops in contribution tree
answered
May 6
in
openLCA
by
Andreas Ciroth
(
146k
points)
contribution tree
product system
0
votes
1
answer
133
views
System dynamics in OpenLCA
answered
May 6
in
openLCA
by
Andreas Ciroth
(
146k
points)
openlca
system dynamics
0
votes
0
answers
66
views
EF v3.1 as LCIA for ecoinvent consequential as database - any implications?
asked
May 6
in
openLCA
by
idaschacht
(
120
points)
consequential
ecoinvent3.12
ef3.1
lcia
database
0
votes
2
answers
158
views
Injection moulding - handle production waste
answered
May 5
in
Miscellaneous
by
Conrad Spindler
(
13.2k
points)
waste
injection moulding
plastic waste
process waste
0
votes
1
answer
114
views
What databases (preferably free ones) contain citric acid datasets (food grade) ?
answered
May 4
in
openLCA
by
JonasHo
(
8.4k
points)
citric acod
openlca database
organic
0
votes
0
answers
70
views
Should a system be established with the downstream process as the reference?
asked
Apr 30
in
openLCA
by
HMin
(
120
points)
产品系统
开放lca
产品流
+1
vote
3
answers
2.6k
views
How to aggregate processes to reflect the impacts of different stages ?
answered
Apr 29
in
openLCA
by
JonasHo
(
8.4k
points)
openlca
process
product system
nested
life cycle stages
0
votes
1
answer
275
views
Merging two databases in OpenLCA
answered
Apr 28
in
openLCA
by
julia_cilleruelo
(
1.7k
points)
database
import
merge databases
combining databases
+1
vote
1
answer
223
views
EN 15804 add on - EN15804+A2 (EF v3.1) impact method
answered
Apr 28
in
Miscellaneous
by
Conrad Spindler
(
13.2k
points)
en15804
ef3.1
methods
life cycle impact assessment (lcia) methods
0
votes
0
answers
122
views
How should evaporated water be modelled in openlca?
asked
Apr 28
in
openLCA
by
s235133
(
120
points)
ef3.1
water use
openlca
flows
modelling
0
votes
1
answer
158
views
Import database in Gabi to openLCA
answered
Apr 27
in
openLCA
by
Andreas Ciroth
(
146k
points)
database
gabi
database import
0
votes
1
answer
136
views
Ecoinvent 3.12 -Difference between Cutoff System and Cutoff Unit
answered
Apr 27
in
openLCA
by
Andreas Ciroth
(
146k
points)
ecoinvent database
system and unit
+1
vote
1
answer
260
views
openLCA on MacOS future big big problem
answered
Apr 26
in
openLCA
by
Conrad Spindler
(
13.2k
points)
macos
openlca
0
votes
1
answer
250
views
How to export list of "Total requirements" from direct calculation?
answered
Apr 24
in
openLCA
by
Andreas Ciroth
(
146k
points)
results
processes
excel export
exporting results
0
votes
1
answer
179
views
Regionalized Calculation active causes negative values [ecoinvent in OPENLCA]
answered
Apr 24
in
openLCA
by
JonasHo
(
8.4k
points)
location
ecoinvent
regionalized calculation
negative impacts
0
votes
0
answers
88
views
Handling large farm-level datasets (~9000 fields) in openLCA
asked
Apr 23
in
openLCA
by
mauribusta
(
120
points)
large-datasets
python
agriculture
maize
0
votes
2
answers
804
views
OpenLCA crashes when hovering "Description"
answered
Apr 21
in
openLCA
by
mogulmalerei
(
180
points)
crash
openlca
not responding
process
process descrption
0
votes
1
answer
235
views
Monte Carlo simulation not generating any results
answered
Apr 20
in
openLCA
by
Conrad Spindler
(
13.2k
points)
monte carlo analysis
uncertainty
openlca
openlca2.6.1
0
votes
1
answer
147
views
How to avoid multiplying upstream process impacts when outputs go to different downstream processes?
answered
Apr 20
in
openLCA
by
Andreas Ciroth
(
146k
points)
product system
impact assessment
contribution tree
processes
0
votes
1
answer
264
views
How to easily visualize the environmental impacts of only the processes entered by the user
answered
Apr 17
in
openLCA
by
mogulmalerei
(
180
points)
openlca
lcia results
0
votes
0
answers
117
views
Impact assessment methods for Exiobase 3.4 + mapping files
asked
Apr 16
in
openLCA
by
andreamulloni
(
160
points)
exiobase 3.4
flow mapping
impact assessment method
0
votes
1
answer
162
views
Process amounts randomly invisible in v 2.6.0
answered
Apr 15
in
openLCA
by
Andreas Ciroth
(
146k
points)
process
user interface
0
votes
1
answer
204
views
How can I download Agribalyse data for use in OpenLCA?
answered
Apr 15
in
openLCA
by
Andreas Ciroth
(
146k
points)
openlca
ecoinvent
agribalyse
0
votes
0
answers
101
views
How can I model in openLCA industrial symbiosis of wooden pallet?
asked
Apr 14
in
openLCA
by
Edoardo
(
120
points)
openlca
ecoinvent
circular economy
+1
vote
1
answer
280
views
Combining parts of EXIOBASE into ecoinvent
answered
Apr 13
in
openLCA
by
Andreas Ciroth
(
146k
points)
database
exiobase
combining databases
editing databases
deleting processes
0
votes
1
answer
176
views
Log file - Error when updating maximum memory usage in 2.6
answered
Apr 9
in
openLCA
by
Conrad Spindler
(
13.2k
points)
out of memory
error
openlca 2.6
+1
vote
0
answers
151
views
Is it possible to show unit processes as single contributors like system processes in openLCA?
asked
Apr 8
in
openLCA
by
Martin1610
(
130
points)
ecoinvent 3.11
unit process
system process (lci)
product system
0
votes
1
answer
210
views
SOCA: How is the activity value (social assessment) calculated and how does it differ from the activity variable?
answered
Apr 8
in
openLCA
by
Ashrakat_
(
1.9k
points)
openlca
soca
results
0
votes
1
answer
192
views
SOCA: How would you proceed, to do a social hotspot analysis?
answered
Apr 8
in
openLCA
by
Ashrakat_
(
1.9k
points)
soca
hotspot analysis
0
votes
1
answer
198
views
Download links from openLCA homepage and nav bar are broken. The fix:
answered
Apr 6
in
openLCA
by
Andreas Ciroth
(
146k
points)
openlca
download
download link
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
(3.2k)
Miscellaneous
(207)
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
methods
import export
excel export
life cycle assessment (lca)
waste treatment
contribution tree
provider linking
openlca 2.0
ecoinvent3.6
exiobase
impact categories
openlca 1.10.3
exporting results
waste management
allocation
crash
...