Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
Recent
Hot!
Most votes
Most answers
Most views
Ask a Question
Recent questions
0
votes
1
answer
386
views
Energy Inputs providing enourmous negative CO2eq contribute
asked
Jun 11, 2025
in
openLCA
by
Michele.maiullari
(
120
points)
openlca
ecoinvent
electricity
results
negative inputs
0
votes
0
answers
659
views
python-ipc parallelization
asked
Jun 11, 2025
in
openLCA
by
mamarcus
(
140
points)
olca-ipc
product system
python api
0
votes
0
answers
373
views
Issues with transferring project to the new version of ecoinvent
asked
Jun 10, 2025
in
openLCA
by
alanyas
(
160
points)
openlca
3.11
0
votes
1
answer
366
views
No puedo visualizar los diagramas de los sistemas de producto
asked
Jun 9, 2025
in
openLCA
by
karinagarcia
(
120
points)
diagrama de sistemas de producto
gráficos
0
votes
0
answers
356
views
fatal error in Monte Carlo Simulation
asked
Jun 8, 2025
in
openLCA
by
carinalessa
(
120
points)
monte carlo analysis
uncertainty
openlca
0
votes
2
answers
901
views
Why some flows in EF3.1 database don't have corresponding providers
asked
Jun 6, 2025
in
openLCA
by
May
(
120
points)
ef3.1
provider linking
flow
partly aggregated datasets
0
votes
1
answer
458
views
How do I model compost as one of my raw materials (A1)?
asked
Jun 6, 2025
in
openLCA
by
YasminTaghizadeh
(
120
points)
process
flows
methods
database
0
votes
1
answer
558
views
System Processes for citric acid
asked
Jun 5, 2025
in
openLCA
by
Tob_i
(
120
points)
ecoinvent
database
system process (lci)
0
votes
0
answers
355
views
SOCA Database: Custom Indicator Weights Not Reflected in Results
asked
Jun 4, 2025
in
openLCA
by
Karina
(
120
points)
soca
social lca (s-lca)
weighting
openlca
0
votes
0
answers
407
views
Units are automatically converted to a target flows reference unit when flow mapping.
asked
Jun 3, 2025
in
openLCA
by
ben.morelli
(
220
points)
mapping
flow properties
0
votes
1
answer
530
views
Bulk-rename of processes
asked
Jun 2, 2025
in
openLCA
by
yannick_bb
(
160
points)
openlca
process
python
0
votes
1
answer
1.4k
views
Cannot combine System and Unit Ecoinvent databases
asked
May 31, 2025
in
Miscellaneous
by
montblanc
(
170
points)
ecoinvent 3.11
combining databases
0
votes
0
answers
632
views
total upstream impacts
asked
May 30, 2025
in
openLCA
by
pwierzgala
(
120
points)
openlca
calculation
upstream total
0
votes
1
answer
782
views
Where to find inputs outputs to construct a case study for paper and polymer shiping bags.
asked
May 29, 2025
in
openLCA
by
mkalam
(
200
points)
inventory
processes
database
flows
0
votes
0
answers
453
views
Can I un-import a library from a database?
asked
May 29, 2025
in
openLCA
by
zofia229
(
150
points)
database
merge databases
library
unmerge
import export
0
votes
1
answer
885
views
Is there a physical interpretation of the Functional Unit and the reference flow?
asked
May 28, 2025
in
Miscellaneous
by
Amy
(
160
points)
reference flow property
functional unit
0
votes
1
answer
671
views
Can scaling up the product system in the targeted amount be accurate?
asked
May 28, 2025
in
openLCA
by
yarmiah bukhari
(
230
points)
product system
openlca
data inputs
flows
lca
0
votes
1
answer
936
views
Is it possible to import an ecoinvent database in Excel format into openLCA?
asked
May 28, 2025
in
openLCA
by
khyatiarya
(
120
points)
openlca
integration
database
import export
excel import
0
votes
0
answers
726
views
Reproduce contribution tree with Python IPC library
asked
May 27, 2025
in
openLCA
by
interested_mackerel
(
180
points)
olca-ipc
python
python api
jupyter notebook
developer
0
votes
0
answers
581
views
Modelling use phase scenario for a flow battery
asked
May 27, 2025
in
openLCA
by
kavin1998
(
130
points)
openlca
modelling
energy scenario
negative inputs
0
votes
1
answer
691
views
Monte Carlo simualtion yielding 0 results
asked
May 27, 2025
in
openLCA
by
WoodTechnology2025
(
120
points)
monte carlo
openlca
uncertainty
0
votes
1
answer
680
views
Lost datasets and provider linkings in OpenLCA (using Ökobaudat) after Mac computer crash
asked
May 27, 2025
in
openLCA
by
marcellarms
(
120
points)
openlca
database
computer crash
provider
macbook
0
votes
1
answer
724
views
Montecarlo Errate Values
asked
May 27, 2025
in
openLCA
by
ilariaminardi
(
120
points)
monte carlo
problem
0
votes
1
answer
951
views
Various packages
asked
May 26, 2025
in
openLCA
by
Giannis Kosmidis
(
930
points)
life cycle impact assessment (lcia)
openlca
packaging
ecoinvent 3.11
0
votes
1
answer
1.1k
views
Process for Recycling
asked
May 26, 2025
in
openLCA
by
Giannis Kosmidis
(
930
points)
life cycle impact assessment (lcia)
ecoinvent
openlca
waste treatment
recycling
0
votes
1
answer
1.2k
views
How can I import data from external source in a openLCA db?
asked
May 25, 2025
in
openLCA
by
martibars
(
120
points)
import
database
openlca
excel import
+1
vote
0
answers
618
views
Accurately Modeling Pre- and Post-Consumer Recycled Content
asked
May 22, 2025
in
Miscellaneous
by
sakol
(
200
points)
pre-consumer recycled content
post-consumer recycled content
cutoff method
recycling
ecoinvent 3.8
0
votes
1
answer
1.0k
views
When updating data attached to a collaboration server via sql, what is necessary to ensure changes are triggered?
asked
May 22, 2025
in
LCA Collaboration Server
by
byoung
(
3.2k
points)
lca collaboration server
sql
0
votes
1
answer
763
views
Downloaded .zolca file is not getting imported in new database
asked
May 22, 2025
in
openLCA
by
harshad_92
(
120
points)
database
openlca
import export
process
0
votes
0
answers
571
views
Combining Carbon Minds and Ecoinvent data
asked
May 22, 2025
in
openLCA
by
kjelse
(
140
points)
database
combining databases
0
votes
1
answer
697
views
Issue important .zip database into LCA
asked
May 21, 2025
in
openLCA
by
FelixF
(
120
points)
import
database
zip file
0
votes
1
answer
546
views
Why did the LCIA result (freshwater ecotoxicity impact category) contributions amount to more than 100%?
asked
May 21, 2025
in
openLCA
by
bell3c
(
120
points)
impact assessment
recipe midpoint (h)
contribution tree
+1
vote
1
answer
1.2k
views
ecoinvent 3.11 EN15804 library : inherent material energy (non-renewable) not characterized on PENRM and PENRE
asked
May 21, 2025
in
openLCA
by
Le Jeune
(
330
points)
en15804
lhv
inherent energy
ecoinvent 3.11
0
votes
0
answers
335
views
Adding a Library
asked
May 20, 2025
in
openLCA
by
VinhTran
(
510
points)
library
openlca
import
0
votes
1
answer
484
views
How to access openLCA manual outside of github?
asked
May 20, 2025
in
openLCA
by
jignesh
(
330
points)
manual
github
0
votes
1
answer
541
views
Why am I not able to add global parameters?
asked
May 19, 2025
in
openLCA
by
yarmiah bukhari
(
230
points)
global parameter
openlca
ecoinvent 3.10
product system
parameters
0
votes
1
answer
848
views
How can I transfer my modelling from LCA for experts to OpenLCA?
asked
May 16, 2025
in
openLCA
by
ManuelKazenmaier
(
120
points)
openlca
lca
import
0
votes
0
answers
363
views
Documentation Implementation IPCC2021
asked
May 15, 2025
in
openLCA
by
EdwinZea
(
140
points)
ipcc2021
documentation
implementation
0
votes
1
answer
926
views
How to interpret that 1$ ouput of a process (sector) may need more that 1$ input in PSILCA ?
asked
May 15, 2025
in
Miscellaneous
by
Richard_edf
(
160
points)
psilca
database
data inputs
0
votes
0
answers
469
views
Lack of Normalization and weighting scales in my ReCiPe 2016 v1.03
asked
May 14, 2025
in
openLCA
by
P. Kim
(
190
points)
weighting
normalization
life cycle impact assessment (lcia) methods
recipe 2016
Page:
« prev
1
2
3
4
5
6
7
8
9
10
11
12
...
86
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
(3.1k)
Miscellaneous
(202)
LCA Collaboration Server
(80)
Follow @openlca
Recent questions
Most popular tags
openlca
database
ecoinvent
process
life cycle impact assessment (lcia) methods
life cycle impact assessment (lcia)
product system
import
flows
error
results
openlca1.6
calculation
modelling
data inputs
python
input output
processes
monte carlo analysis
uncertainty
data
olca-ipc
openlca1.7
impact analysis
lca
openlca1.5
impact assessment method
lca collaboration server
en15804
methods
import export
life cycle assessment (lca)
excel export
waste treatment
provider linking
openlca 2.0
contribution tree
ecoinvent3.6
exiobase
openlca 1.10.3
impact categories
exporting results
waste management
crash
allocation
...
