Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
No answer
No selected answer
No upvoted answer
Ask a Question
Recent questions without a selected answer
0
votes
1
answer
217
views
How can I remove providers from all reference flows in my database?
asked
Jun 30, 2023
in
openLCA
by
Jake.Namovich
(
120
points)
process
provider linking
providers
default provider
reference flow
+1
vote
1
answer
320
views
Import EPDs through EC3 in openLCA 2.0
asked
Jun 27, 2023
in
openLCA
by
Myen29L
(
130
points)
version 2.0
epd
ec3
openepd
url
0
votes
3
answers
608
views
Value of the geometric mean, present in the uncertainty distribution, is negative
asked
Jun 26, 2023
in
openLCA
by
Cipriano
(
300
points)
ecoin
ecomoneta 3.9.1
geometric mean
uncertainty
negative value
0
votes
0
answers
109
views
Why isn't the material in the input and output reflected in the impact analysis?
asked
Jun 26, 2023
in
openLCA
by
i_LCA
(
120
points)
material flow
impact analysis
0
votes
0
answers
99
views
Modelling scenarios - accounting for repairs/refurbishment
asked
Jun 25, 2023
in
LCA Collaboration Server
by
spottedskink_14
(
120
points)
scenario
lca
0
votes
0
answers
200
views
Which free database can I use to get extraction to end-of-life processes of notebooks & hard disk drives?
asked
Jun 24, 2023
in
openLCA
by
Shouvik Das
(
120
points)
openlca
end-of-life
0
votes
0
answers
146
views
for a vehicle working with biofuel how should I enter transport data, please read below...
asked
Jun 21, 2023
in
openLCA
by
samiye
(
320
points)
transport data
biofuel
+3
votes
2
answers
967
views
How to carry out a Monte Carlo analysis correctly using the ECOINVENT 3.9.1 database
asked
Jun 21, 2023
in
openLCA
by
Cipriano
(
300
points)
monte carlo analysis
ecoinvent 3.9.1
uncertainty
0
votes
0
answers
103
views
Waste flow put back in the process
asked
Jun 19, 2023
in
openLCA
by
vivi.sicardi
(
120
points)
waste modelling
openlca
+1
vote
0
answers
159
views
How do you copy over the levels within a contribution tree to an excel sheet?
asked
Jun 19, 2023
in
openLCA
by
OpenLCA_user1
(
130
points)
contribution tree
copy paste
0
votes
1
answer
222
views
Incorrect Calculation Result Involving Wine in Milk Production Analysis
asked
Jun 19, 2023
in
openLCA
by
luriveros
(
120
points)
processes
calculation
impact analysis
0
votes
1
answer
216
views
Payback time on Ecoinvent
asked
Jun 19, 2023
in
Miscellaneous
by
KaunisMursu
(
3.3k
points)
ecoinvent
database
ecoinven 3.8
+1
vote
1
answer
263
views
Can we do LCA of a wastewater treatment plant using openLCA
asked
Jun 16, 2023
in
openLCA
by
Pritha
(
130
points)
waste water treatment
steps
lca of waste water
+1
vote
1
answer
377
views
Memory error, however, plenty of allocated memory.
asked
Jun 16, 2023
in
openLCA
by
Simon Winther Schor
(
790
points)
out of memory
heap space
error
0
votes
1
answer
220
views
Is it possible to merge the Ecoinvent 3.9 database with the Ecosystem database?
asked
Jun 15, 2023
in
openLCA
by
alice_q
(
120
points)
ecoinvent
database
impact factors
flows
+2
votes
1
answer
264
views
What to do if the functional unit is not connected to the toppest process module
asked
Jun 15, 2023
in
openLCA
by
RomanB
(
150
points)
reference flow
functional unit
product system
recycling
+1
vote
1
answer
789
views
openLCA 2.0 Feedback
asked
Jun 14, 2023
in
openLCA
by
nemus210
(
190
points)
openlca 2.0
version 2.0
+1
vote
1
answer
289
views
For a transport process should we add both fuel consumption and freight value( t*km) at the same time to process inputs?
asked
Jun 14, 2023
in
openLCA
by
samiye
(
320
points)
t*km based on biodiesel
lorry
biodiesel
0
votes
1
answer
257
views
Any plans to upgrade log4j to a supported version?
asked
Jun 13, 2023
in
openLCA
by
sgorin
(
120
points)
openlca
update
+1
vote
0
answers
269
views
Electricity and fuel consumption
asked
Jun 13, 2023
in
openLCA
by
Ludovic
(
150
points)
fuel consumption
electricity
electronics
0
votes
0
answers
101
views
Software freezes when adding a flow (Mac)
asked
Jun 13, 2023
in
openLCA
by
HelenSerafina
(
120
points)
openlca
flows
mac
crash
0
votes
1
answer
412
views
How to change transport (t*km) fuel kind in a process,how to edit background fuel data?
asked
Jun 13, 2023
in
openLCA
by
samiye
(
320
points)
transport
fuel change
biodiesel
t*km
+1
vote
0
answers
143
views
how to measure CO2-equivalent on non urea fertilizer using
asked
Jun 13, 2023
in
Miscellaneous
by
farayf
(
130
points)
co2-equivalent
measurement
fertilizer
0
votes
1
answer
236
views
how to copy (duplicate) an elementary flow present in the ECOINVENT 3.9.1 database?
asked
Jun 13, 2023
in
openLCA
by
Cipriano
(
300
points)
impact factors
openlca
flows
ecoinvent 3.9.1
0
votes
0
answers
146
views
Integrate electricity and fuel consumption
asked
Jun 12, 2023
in
openLCA
by
Ludovic
(
150
points)
fuel consumption
electricity
openlca
+3
votes
0
answers
204
views
error log in OpenLCA v 2.0.0 show outline in model graph
asked
Jun 12, 2023
in
openLCA
by
cecilerousseau
(
150
points)
version 2.0
error
show outline
+1
vote
0
answers
118
views
Which free database to use for a conveyor chain
asked
Jun 9, 2023
in
openLCA
by
Lennart
(
190
points)
database
openlca
free
plastic
conveyor chain
+1
vote
0
answers
173
views
Process inputs
asked
Jun 8, 2023
in
openLCA
by
marek.carbol
(
130
points)
input output
process
0
votes
1
answer
278
views
Is it possible to replicate the contribution tree using the olca API?
asked
Jun 6, 2023
in
openLCA
by
iturner
(
220
points)
api
contribution tree
life cycle impact assessment (lcia)
python
contribution analysis
0
votes
0
answers
250
views
Exiobase 3.8 and units
asked
Jun 6, 2023
in
openLCA
by
maddening
(
160
points)
openlca
exiobase
calculation method
units
database
0
votes
2
answers
344
views
Regional electricity data of U.S.
asked
Jun 5, 2023
in
openLCA
by
hellboy31
(
160
points)
openlca
provider
electricity
ecoinvent
+1
vote
0
answers
193
views
Environmental impacts of recycling processes
asked
Jun 5, 2023
in
openLCA
by
Adrien
(
290
points)
end-of-life
ecoinvent
+1
vote
3
answers
378
views
Consideration of processes prior to end of life
asked
Jun 5, 2023
in
Miscellaneous
by
Adrien
(
290
points)
end-of-life
process
0
votes
1
answer
496
views
Logging in with default admin password to LCA 2.0
asked
Jun 5, 2023
in
LCA Collaboration Server
by
arifebayraktar2
(
150
points)
lca collaboration server
admin login
0
votes
1
answer
236
views
How can I exclude the impact of materials in the impact calculation of manufacturing processes in ecoinvent?
asked
Jun 3, 2023
in
openLCA
by
shantanu
(
120
points)
openlca
ecoinvent
+3
votes
1
answer
318
views
Stable version of olca-ipc for openLCA 2.0
asked
Jun 2, 2023
in
openLCA
by
phiweb
(
580
points)
olca-ipc
openlca 2.0
python
olca-schema
+1
vote
1
answer
279
views
LCA Collaboration Server default admin password
asked
Jun 2, 2023
in
LCA Collaboration Server
by
arifebayraktar2
(
150
points)
defaul password
lca collaboration server
admin login
password
0
votes
2
answers
349
views
How to add custom normalization and weighting factors for Recipe 2016 Midpoint LCIA method?
asked
Jun 1, 2023
in
openLCA
by
janidas
(
120
points)
normalization
weighting
0
votes
1
answer
251
views
Regionalized LCA in openLCA 2.0 - any updated documentation/video guide for new workflow?
asked
Jun 1, 2023
in
openLCA
by
vroy
(
120
points)
version 2.0
regionalized lca
0
votes
0
answers
139
views
Unable to get the desired model graph
asked
May 29, 2023
in
openLCA
by
SAHARSHA DAS
(
120
points)
input output
model graph
process
Page:
« prev
1
...
8
9
10
11
12
13
14
15
16
17
18
...
55
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
,
data.openLCA
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
(2.4k)
Miscellaneous
(146)
LCA Collaboration Server
(59)
Follow @openlca
Most popular tags
openlca
database
ecoinvent
process
life cycle impact assessment (lcia)
life cycle impact assessment (lcia) methods
import
product system
openlca1.6
flows
error
results
calculation
modelling
python
data
openlca1.7
data inputs
monte carlo analysis
processes
openlca1.5
impact analysis
uncertainty
input output
olca-ipc
lca
lca collaboration server
openlca 2.0
methods
ecoinvent3.6
openlca 1.10.3
impact assessment method
life cycle assessment (lca)
waste treatment
provider linking
excel export
exiobase
import export
ecoinvent3.5
contribution tree
waste management
en15804
allocation
unit process
inventory
...