Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
Ask a Question
Recent questions in openLCA
0
votes
2
answers
1.4k
views
Specific Application of Analysis Groups
asked
Dec 3, 2025
in
openLCA
by
paul.domberger
(
760
points)
analysis group
result interpretation
0
votes
1
answer
1.1k
views
Can I use an ecoinvent licence bought on ecoinvent.org in openLCA as smoothly as a Nexus licence?
asked
Dec 2, 2025
in
openLCA
by
auribelarrea
(
120
points)
ecoinvent
licence owner
openlca nexus
payment
paypal
0
votes
1
answer
715
views
How are weighted data quality results calculated?
asked
Dec 2, 2025
in
openLCA
by
s.r.allen
(
230
points)
uncertainty
data quality
0
votes
0
answers
674
views
Clean modelling of recycled products
asked
Dec 2, 2025
in
openLCA
by
paul.domberger
(
760
points)
end-of-life (eol)
allocation
0
votes
0
answers
433
views
Elemental form or Chemical formula
asked
Dec 1, 2025
in
openLCA
by
TejasR
(
120
points)
openlca
flow properties
0
votes
1
answer
624
views
Consideration of production waste
asked
Nov 25, 2025
in
openLCA
by
DiHorw
(
1.1k
points)
production scrap
functional unit
0
votes
1
answer
637
views
Transferability of ecoinvent Commercial Single-User Yearly License
asked
Nov 25, 2025
in
openLCA
by
milat
(
120
points)
ecoinvent
license
commercial
0
votes
1
answer
1.1k
views
Is openLCA compatible with ecoinvent for an LCA on MOF-based MMMs, and which parts require payment?
asked
Nov 24, 2025
in
openLCA
by
asliyildirim
(
120
points)
openlca
ecoinvent
ecoinvent2
costs
ecoinvent data
0
votes
1
answer
935
views
Hardware recommendation
asked
Nov 23, 2025
in
openLCA
by
VP
(
150
points)
openlca
life cycle impact assessment (lcia) methods
lca
0
votes
2
answers
1.4k
views
Exiobase 3.9.4 - products
asked
Nov 23, 2025
in
openLCA
by
tarlon.s
(
1.3k
points)
exiobase
results
factors
0
votes
2
answers
874
views
Analysis groups provide negative values for the group at the top level of the system model
asked
Nov 21, 2025
in
openLCA
by
alespaulu
(
160
points)
analysis group
negative value
0
votes
1
answer
1.3k
views
How system boundaries expansion with substitution is done in openLCA?
asked
Nov 21, 2025
in
openLCA
by
MATRIMAX
(
180
points)
modelling
system expansion
0
votes
0
answers
437
views
Simultaneous calculations via the API
asked
Nov 20, 2025
in
openLCA
by
PierreK
(
120
points)
api
olca-ipc
0
votes
1
answer
719
views
PERM, PENRM, EEE and EET in openLCA
asked
Nov 20, 2025
in
openLCA
by
vapLCA
(
270
points)
exporting results
inherent energy
perm
eee
packaging
0
votes
1
answer
744
views
The result of some processes did not calculated even it had connected to the product system
asked
Nov 19, 2025
in
openLCA
by
Herlintama
(
120
points)
openlca
process connection
linking process
product system
0
votes
1
answer
646
views
"export results to excel" is frozen on the screen
asked
Nov 18, 2025
in
openLCA
by
Zeinab
(
120
points)
excel export
exporting results
0
votes
0
answers
467
views
How can I quantify the emission (Carbon Dioxide, GHG) of processes to air, water, land for output inventory?
asked
Nov 18, 2025
in
openLCA
by
Kanakasree
(
140
points)
emissions
output data
0
votes
1
answer
504
views
Switch from one electricity source to Norwegian electricity
asked
Nov 15, 2025
in
openLCA
by
Oline Grimsmo Røe
(
120
points)
agribalyse
openlca
processes
input output
electricity mix
0
votes
1
answer
492
views
Transport by boat, cooling?
asked
Nov 14, 2025
in
openLCA
by
MartineKjo
(
160
points)
transport
lorry
openlca
0
votes
1
answer
530
views
Naming Input Outputs as going through processes.
asked
Nov 13, 2025
in
openLCA
by
mkalam
(
240
points)
openlca
processes
naming inputs
outputs.
0
votes
1
answer
940
views
Do we need to import LCIA methods in EN15804 add-on (ecoinvent v3.11)?
asked
Nov 13, 2025
in
openLCA
by
s.r.allen
(
230
points)
en15804
ecoinvent 3.11
life cycle impact assessment (lcia) methods
0
votes
1
answer
551
views
PENRM & PENRM return 0s in ecoinvent 3.11
asked
Nov 12, 2025
in
openLCA
by
nminkov
(
120
points)
life cycle impact assessment (lcia) methods
ecoinvent 3.11
0
votes
0
answers
674
views
I get a "failed to create the part's controls" error after installing and opening OpenLCA
asked
Nov 12, 2025
in
openLCA
by
CH
(
120
points)
error
open lca
0
votes
1
answer
1.6k
views
Out of memory: openLCA - error message
asked
Nov 11, 2025
in
openLCA
by
vapLCA
(
270
points)
out of memory
error
memory allocation
openlca
calculation
0
votes
1
answer
1.7k
views
How can battery recycling be modeled in openLCA using ecoinvent v3.10, and how can recycling reduce the CO₂ footprint?
asked
Nov 10, 2025
in
openLCA
by
moritz_bucka
(
120
points)
database
open lca
ecoinvent
recycling
battery eol recycling modeling
0
votes
1
answer
1.2k
views
How to add waste correct as output for a process
asked
Nov 9, 2025
in
openLCA
by
MartineKjo
(
160
points)
input output
waste modelling
output
0
votes
1
answer
984
views
How to add transport to a process (as input)
asked
Nov 9, 2025
in
openLCA
by
MartineKjo
(
160
points)
input output
t*km
process
transport
0
votes
1
answer
654
views
How to interpret Impact Assessment Result?
asked
Nov 8, 2025
in
openLCA
by
kheam chhengly
(
140
points)
openlca
impact assessment method
0
votes
0
answers
685
views
Agribalyse 3.2 and openLCA LCIA Methods 2.7.5 compatibility
asked
Nov 7, 2025
in
openLCA
by
raprp
(
190
points)
agribalyse 3.2
openlca lcia methods pack
ecoinvent 3.11
0
votes
1
answer
784
views
Ecoinvent database
asked
Nov 7, 2025
in
openLCA
by
jechazarreta
(
180
points)
ecoinvent
database
openlca
0
votes
0
answers
450
views
regionalized file IMPACTWorld+
asked
Nov 7, 2025
in
openLCA
by
axelle.lafoucriere
(
120
points)
regionalised lca
regionalized
impact world
regionalized lca
import
0
votes
2
answers
1.1k
views
Where do I find the system model used in openLCAs case studies?
asked
Nov 7, 2025
in
openLCA
by
Corral4170
(
120
points)
case study
system model
database
+1
vote
0
answers
498
views
Uncertainty input in Lognormal distribution
asked
Nov 5, 2025
in
openLCA
by
vinicius.schneider
(
160
points)
uncertainty
standard deviation
0
votes
0
answers
501
views
modeling stainless steel hollow sections
asked
Nov 5, 2025
in
openLCA
by
Seyedehgelareh Sanei
(
270
points)
stainless steel
ecoinvent 3.11
openlca
0
votes
1
answer
862
views
Recycled content cut-off
asked
Nov 5, 2025
in
openLCA
by
VinhTran
(
600
points)
cut-off
ecoinvent
openlca
0
votes
0
answers
491
views
Monte Carlo crashes olca 2.5 when running simulations from python (not IPC)
asked
Nov 4, 2025
in
openLCA
by
gjthoma
(
800
points)
monte carlo
crash
0
votes
1
answer
804
views
enquiry about academic license
asked
Nov 4, 2025
in
openLCA
by
SHILPA SIMON
(
190
points)
ecoinvent v2.2
ecoinvent v3.91
ecoinvent
database
0
votes
1
answer
709
views
Is it possible to view the results by individual process stages instead of seeing the overall impact contributions?
asked
Nov 3, 2025
in
openLCA
by
Kanakasree
(
140
points)
openlca
process
0
votes
1
answer
1.2k
views
what do I need to do to get the results in process importrt from SIMAPRO?
asked
Oct 31, 2025
in
openLCA
by
jechazarreta
(
180
points)
openlca
results
database
0
votes
0
answers
514
views
EXIOBASE Product 3.9
asked
Oct 31, 2025
in
openLCA
by
tarlon.s
(
1.3k
points)
exiobase
results
Page:
« prev
1
2
3
4
5
6
7
8
9
10
11
...
83
next »
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
(210)
LCA Collaboration Server
(83)
Follow @openlca
Recent questions in openLCA
Most popular tags
openlca
database
ecoinvent
process
life cycle impact assessment (lcia) methods
product system
life cycle impact assessment (lcia)
flows
import
results
error
openlca1.6
calculation
modelling
python
data inputs
monte carlo analysis
input output
processes
uncertainty
olca-ipc
data
openlca1.7
impact analysis
lca
impact assessment method
openlca1.5
en15804
lca collaboration server
import export
methods
waste treatment
life cycle assessment (lca)
excel export
contribution tree
provider linking
openlca 2.0
ecoinvent3.6
exiobase
impact categories
openlca 1.10.3
exporting results
waste management
allocation
ef3.1
...